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Finding the Fourth Proportional to 356,524.56, 534,426.95 and 223,498.26

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Solution

The fourth proportional to 356,524.56, 534,426.95 and 223,498.26 is: 335,021.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,524.56 : 534,426.95 = 223,498.26 : x
  2. Step 2: Convert to fraction form
    356,524.56/534,426.95 = 223,498.26/x
  3. Step 3: Cross multiply
    356,524.56x = 534,426.95 × 223,498.26
  4. Step 4: Simplify right side
    356,524.56x = 119,443,492,304.62
  5. Step 5: Solve for x
    x = 119,443,492,304.62/356,524.56
  6. Step 6: Final answer
    x = 335,021.78

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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.