Home / 631,838.10-947,923.15-227,071.18

Finding the Fourth Proportional to 631,838.10, 947,923.15 and 227,071.18

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Solution

The fourth proportional to 631,838.10, 947,923.15 and 227,071.18 is: 340,666.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,838.10 : 947,923.15 = 227,071.18 : x
  2. Step 2: Convert to fraction form
    631,838.10/947,923.15 = 227,071.18/x
  3. Step 3: Cross multiply
    631,838.10x = 947,923.15 × 227,071.18
  4. Step 4: Simplify right side
    631,838.10x = 215,246,028,219.82
  5. Step 5: Solve for x
    x = 215,246,028,219.82/631,838.10
  6. Step 6: Final answer
    x = 340,666.43

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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.