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Finding the Fourth Proportional to 537,042.80, 806,186.60 and 288,210.80

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Solution

The fourth proportional to 537,042.80, 806,186.60 and 288,210.80 is: 432,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,042.80 : 806,186.60 = 288,210.80 : x
  2. Step 2: Convert to fraction form
    537,042.80/806,186.60 = 288,210.80/x
  3. Step 3: Cross multiply
    537,042.80x = 806,186.60 × 288,210.80
  4. Step 4: Simplify right side
    537,042.80x = 232,351,684,935.28
  5. Step 5: Solve for x
    x = 232,351,684,935.28/537,042.80
  6. Step 6: Final answer
    x = 432,650.22

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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.