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Finding the Fourth Proportional to 369,835.73, 555,002.72 and 145,169.55

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Solution

The fourth proportional to 369,835.73, 555,002.72 and 145,169.55 is: 217,852.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,835.73 : 555,002.72 = 145,169.55 : x
  2. Step 2: Convert to fraction form
    369,835.73/555,002.72 = 145,169.55/x
  3. Step 3: Cross multiply
    369,835.73x = 555,002.72 × 145,169.55
  4. Step 4: Simplify right side
    369,835.73x = 80,569,494,385.33
  5. Step 5: Solve for x
    x = 80,569,494,385.33/369,835.73
  6. Step 6: Final answer
    x = 217,852.11

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1.5x scale

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.