Home / 459,445.44-689,167.62-143,926.92

Finding the Fourth Proportional to 459,445.44, 689,167.62 and 143,926.92

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Solution

The fourth proportional to 459,445.44, 689,167.62 and 143,926.92 is: 215,890.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,445.44 : 689,167.62 = 143,926.92 : x
  2. Step 2: Convert to fraction form
    459,445.44/689,167.62 = 143,926.92/x
  3. Step 3: Cross multiply
    459,445.44x = 689,167.62 × 143,926.92
  4. Step 4: Simplify right side
    459,445.44x = 99,189,772,910.33
  5. Step 5: Solve for x
    x = 99,189,772,910.33/459,445.44
  6. Step 6: Final answer
    x = 215,890.21

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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.