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Finding the Fourth Proportional to 283,559.87, 425,381.82 and 91,369.91

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Solution

The fourth proportional to 283,559.87, 425,381.82 and 91,369.91 is: 137,068.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,559.87 : 425,381.82 = 91,369.91 : x
  2. Step 2: Convert to fraction form
    283,559.87/425,381.82 = 91,369.91/x
  3. Step 3: Cross multiply
    283,559.87x = 425,381.82 × 91,369.91
  4. Step 4: Simplify right side
    283,559.87x = 38,867,096,482.13
  5. Step 5: Solve for x
    x = 38,867,096,482.13/283,559.87
  6. Step 6: Final answer
    x = 137,068.40

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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.