Home / 283,764.60-425,430.90-143,623.80

Finding the Fourth Proportional to 283,764.60, 425,430.90 and 143,623.80

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Solution

The fourth proportional to 283,764.60, 425,430.90 and 143,623.80 is: 215,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,764.60 : 425,430.90 = 143,623.80 : x
  2. Step 2: Convert to fraction form
    283,764.60/425,430.90 = 143,623.80/x
  3. Step 3: Cross multiply
    283,764.60x = 425,430.90 × 143,623.80
  4. Step 4: Simplify right side
    283,764.60x = 61,102,002,495.42
  5. Step 5: Solve for x
    x = 61,102,002,495.42/283,764.60
  6. Step 6: Final answer
    x = 215,326.37

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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.