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Finding the Fourth Proportional to 283,712.16, 425,575.68 and 73,349.52

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Solution

The fourth proportional to 283,712.16, 425,575.68 and 73,349.52 is: 110,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,712.16 : 425,575.68 = 73,349.52 : x
  2. Step 2: Convert to fraction form
    283,712.16/425,575.68 = 73,349.52/x
  3. Step 3: Cross multiply
    283,712.16x = 425,575.68 × 73,349.52
  4. Step 4: Simplify right side
    283,712.16x = 31,215,771,851.67
  5. Step 5: Solve for x
    x = 31,215,771,851.67/283,712.16
  6. Step 6: Final answer
    x = 110,026.20

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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.