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Finding the Fourth Proportional to 356,469.80, 533,720.55 and 277,737.80

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Solution

The fourth proportional to 356,469.80, 533,720.55 and 277,737.80 is: 415,839.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,469.80 : 533,720.55 = 277,737.80 : x
  2. Step 2: Convert to fraction form
    356,469.80/533,720.55 = 277,737.80/x
  3. Step 3: Cross multiply
    356,469.80x = 533,720.55 × 277,737.80
  4. Step 4: Simplify right side
    356,469.80x = 148,234,371,371.79
  5. Step 5: Solve for x
    x = 148,234,371,371.79/356,469.80
  6. Step 6: Final answer
    x = 415,839.92

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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.