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Finding the Fourth Proportional to 515,652.48, 773,499.65 and 245,641.77

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Solution

The fourth proportional to 515,652.48, 773,499.65 and 245,641.77 is: 368,472.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,652.48 : 773,499.65 = 245,641.77 : x
  2. Step 2: Convert to fraction form
    515,652.48/773,499.65 = 245,641.77/x
  3. Step 3: Cross multiply
    515,652.48x = 773,499.65 × 245,641.77
  4. Step 4: Simplify right side
    515,652.48x = 190,003,821,892.17
  5. Step 5: Solve for x
    x = 190,003,821,892.17/515,652.48
  6. Step 6: Final answer
    x = 368,472.62

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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.