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Finding the Fourth Proportional to 338,007.10, 506,977.70 and 88,689.10

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Solution

The fourth proportional to 338,007.10, 506,977.70 and 88,689.10 is: 133,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,007.10 : 506,977.70 = 88,689.10 : x
  2. Step 2: Convert to fraction form
    338,007.10/506,977.70 = 88,689.10/x
  3. Step 3: Cross multiply
    338,007.10x = 506,977.70 × 88,689.10
  4. Step 4: Simplify right side
    338,007.10x = 44,963,395,933.07
  5. Step 5: Solve for x
    x = 44,963,395,933.07/338,007.10
  6. Step 6: Final answer
    x = 133,025.00

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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.