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Finding the Fourth Proportional to 375,526.80, 518,227.20 and 205,760.88

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Solution

The fourth proportional to 375,526.80, 518,227.20 and 205,760.88 is: 283,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,526.80 : 518,227.20 = 205,760.88 : x
  2. Step 2: Convert to fraction form
    375,526.80/518,227.20 = 205,760.88/x
  3. Step 3: Cross multiply
    375,526.80x = 518,227.20 × 205,760.88
  4. Step 4: Simplify right side
    375,526.80x = 106,630,884,711.94
  5. Step 5: Solve for x
    x = 106,630,884,711.94/375,526.80
  6. Step 6: Final answer
    x = 283,950.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.