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Finding the Fourth Proportional to 365,434.80, 547,714.80 and 187,850.40

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Solution

The fourth proportional to 365,434.80, 547,714.80 and 187,850.40 is: 281,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,434.80 : 547,714.80 = 187,850.40 : x
  2. Step 2: Convert to fraction form
    365,434.80/547,714.80 = 187,850.40/x
  3. Step 3: Cross multiply
    365,434.80x = 547,714.80 × 187,850.40
  4. Step 4: Simplify right side
    365,434.80x = 102,888,444,265.92
  5. Step 5: Solve for x
    x = 102,888,444,265.92/365,434.80
  6. Step 6: Final answer
    x = 281,550.76

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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.