Home / 369,769.25-554,654.32-89,286.50

Finding the Fourth Proportional to 369,769.25, 554,654.32 and 89,286.50

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Solution

The fourth proportional to 369,769.25, 554,654.32 and 89,286.50 is: 133,929.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,769.25 : 554,654.32 = 89,286.50 : x
  2. Step 2: Convert to fraction form
    369,769.25/554,654.32 = 89,286.50/x
  3. Step 3: Cross multiply
    369,769.25x = 554,654.32 × 89,286.50
  4. Step 4: Simplify right side
    369,769.25x = 49,523,144,106.10
  5. Step 5: Solve for x
    x = 49,523,144,106.10/369,769.25
  6. Step 6: Final answer
    x = 133,929.86

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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.