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Finding the Fourth Proportional to 631,340.87, 947,151.21 and 182,026.67

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Solution

The fourth proportional to 631,340.87, 947,151.21 and 182,026.67 is: 273,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,340.87 : 947,151.21 = 182,026.67 : x
  2. Step 2: Convert to fraction form
    631,340.87/947,151.21 = 182,026.67/x
  3. Step 3: Cross multiply
    631,340.87x = 947,151.21 × 182,026.67
  4. Step 4: Simplify right side
    631,340.87x = 172,406,780,742.77
  5. Step 5: Solve for x
    x = 172,406,780,742.77/631,340.87
  6. Step 6: Final answer
    x = 273,080.34

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.