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Finding the Fourth Proportional to 615,951.08, 849,773.94 and 361,209.32

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Solution

The fourth proportional to 615,951.08, 849,773.94 and 361,209.32 is: 498,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,951.08 : 849,773.94 = 361,209.32 : x
  2. Step 2: Convert to fraction form
    615,951.08/849,773.94 = 361,209.32/x
  3. Step 3: Cross multiply
    615,951.08x = 849,773.94 × 361,209.32
  4. Step 4: Simplify right side
    615,951.08x = 306,946,267,021.12
  5. Step 5: Solve for x
    x = 306,946,267,021.12/615,951.08
  6. Step 6: Final answer
    x = 498,328.97

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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.