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Finding the Fourth Proportional to 360,790.35, 497,943.48 and 207,799.12

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Solution

The fourth proportional to 360,790.35, 497,943.48 and 207,799.12 is: 286,793.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,790.35 : 497,943.48 = 207,799.12 : x
  2. Step 2: Convert to fraction form
    360,790.35/497,943.48 = 207,799.12/x
  3. Step 3: Cross multiply
    360,790.35x = 497,943.48 × 207,799.12
  4. Step 4: Simplify right side
    360,790.35x = 103,472,214,464.02
  5. Step 5: Solve for x
    x = 103,472,214,464.02/360,790.35
  6. Step 6: Final answer
    x = 286,793.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.