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Finding the Fourth Proportional to 369,503.48, 554,338.14 and 116,798.66

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Solution

The fourth proportional to 369,503.48, 554,338.14 and 116,798.66 is: 175,224.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,503.48 : 554,338.14 = 116,798.66 : x
  2. Step 2: Convert to fraction form
    369,503.48/554,338.14 = 116,798.66/x
  3. Step 3: Cross multiply
    369,503.48x = 554,338.14 × 116,798.66
  4. Step 4: Simplify right side
    369,503.48x = 64,745,951,938.89
  5. Step 5: Solve for x
    x = 64,745,951,938.89/369,503.48
  6. Step 6: Final answer
    x = 175,224.20

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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.