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Finding the Fourth Proportional to 492,093.10, 738,139.65 and 314,800.30

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Solution

The fourth proportional to 492,093.10, 738,139.65 and 314,800.30 is: 472,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,093.10 : 738,139.65 = 314,800.30 : x
  2. Step 2: Convert to fraction form
    492,093.10/738,139.65 = 314,800.30/x
  3. Step 3: Cross multiply
    492,093.10x = 738,139.65 × 314,800.30
  4. Step 4: Simplify right side
    492,093.10x = 232,366,583,261.90
  5. Step 5: Solve for x
    x = 232,366,583,261.90/492,093.10
  6. Step 6: Final answer
    x = 472,200.45

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Similar ratio
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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.