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Finding the Fourth Proportional to 630,263.88, 945,116.96 and 180,880.47

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Solution

The fourth proportional to 630,263.88, 945,116.96 and 180,880.47 is: 271,240.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,263.88 : 945,116.96 = 180,880.47 : x
  2. Step 2: Convert to fraction form
    630,263.88/945,116.96 = 180,880.47/x
  3. Step 3: Cross multiply
    630,263.88x = 945,116.96 × 180,880.47
  4. Step 4: Simplify right side
    630,263.88x = 170,953,199,025.37
  5. Step 5: Solve for x
    x = 170,953,199,025.37/630,263.88
  6. Step 6: Final answer
    x = 271,240.67

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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.