Home / 356,514.50-534,772.96-90,274.89

Finding the Fourth Proportional to 356,514.50, 534,772.96 and 90,274.89

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Solution

The fourth proportional to 356,514.50, 534,772.96 and 90,274.89 is: 135,412.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,514.50 : 534,772.96 = 90,274.89 : x
  2. Step 2: Convert to fraction form
    356,514.50/534,772.96 = 90,274.89/x
  3. Step 3: Cross multiply
    356,514.50x = 534,772.96 × 90,274.89
  4. Step 4: Simplify right side
    356,514.50x = 48,276,570,138.97
  5. Step 5: Solve for x
    x = 48,276,570,138.97/356,514.50
  6. Step 6: Final answer
    x = 135,412.64

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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.