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Finding the Fourth Proportional to 356,008.32, 534,011.04 and 145,646.10

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Solution

The fourth proportional to 356,008.32, 534,011.04 and 145,646.10 is: 218,468.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,008.32 : 534,011.04 = 145,646.10 : x
  2. Step 2: Convert to fraction form
    356,008.32/534,011.04 = 145,646.10/x
  3. Step 3: Cross multiply
    356,008.32x = 534,011.04 × 145,646.10
  4. Step 4: Simplify right side
    356,008.32x = 77,776,625,332.94
  5. Step 5: Solve for x
    x = 77,776,625,332.94/356,008.32
  6. Step 6: Final answer
    x = 218,468.56

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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.