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Finding the Fourth Proportional to 369,234, 553,904.46 and 116,428.68

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Solution

The fourth proportional to 369,234, 553,904.46 and 116,428.68 is: 174,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,234 : 553,904.46 = 116,428.68 : x
  2. Step 2: Convert to fraction form
    369,234/553,904.46 = 116,428.68/x
  3. Step 3: Cross multiply
    369,234x = 553,904.46 × 116,428.68
  4. Step 4: Simplify right side
    369,234x = 64,490,365,123.91
  5. Step 5: Solve for x
    x = 64,490,365,123.91/369,234
  6. Step 6: Final answer
    x = 174,659.88

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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.