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Finding the Fourth Proportional to 369,265.98, 553,958.02 and 156,035.90

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Solution

The fourth proportional to 369,265.98, 553,958.02 and 156,035.90 is: 234,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,265.98 : 553,958.02 = 156,035.90 : x
  2. Step 2: Convert to fraction form
    369,265.98/553,958.02 = 156,035.90/x
  3. Step 3: Cross multiply
    369,265.98x = 553,958.02 × 156,035.90
  4. Step 4: Simplify right side
    369,265.98x = 86,437,338,212.92
  5. Step 5: Solve for x
    x = 86,437,338,212.92/369,265.98
  6. Step 6: Final answer
    x = 234,078.80

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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.