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Finding the Fourth Proportional to 661,737.07, 992,605.70 and 163,101.07

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Solution

The fourth proportional to 661,737.07, 992,605.70 and 163,101.07 is: 244,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,737.07 : 992,605.70 = 163,101.07 : x
  2. Step 2: Convert to fraction form
    661,737.07/992,605.70 = 163,101.07/x
  3. Step 3: Cross multiply
    661,737.07x = 992,605.70 × 163,101.07
  4. Step 4: Simplify right side
    661,737.07x = 161,895,050,942.59
  5. Step 5: Solve for x
    x = 161,895,050,942.59/661,737.07
  6. Step 6: Final answer
    x = 244,651.63

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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.