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Finding the Fourth Proportional to 375,516.80, 563,090.88 and 185,757.92

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Solution

The fourth proportional to 375,516.80, 563,090.88 and 185,757.92 is: 278,545.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,516.80 : 563,090.88 = 185,757.92 : x
  2. Step 2: Convert to fraction form
    375,516.80/563,090.88 = 185,757.92/x
  3. Step 3: Cross multiply
    375,516.80x = 563,090.88 × 185,757.92
  4. Step 4: Simplify right side
    375,516.80x = 104,598,590,639.77
  5. Step 5: Solve for x
    x = 104,598,590,639.77/375,516.80
  6. Step 6: Final answer
    x = 278,545.70

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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.