Home / 438,650.43-658,038.41-135,070.27

Finding the Fourth Proportional to 438,650.43, 658,038.41 and 135,070.27

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Solution

The fourth proportional to 438,650.43, 658,038.41 and 135,070.27 is: 202,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,650.43 : 658,038.41 = 135,070.27 : x
  2. Step 2: Convert to fraction form
    438,650.43/658,038.41 = 135,070.27/x
  3. Step 3: Cross multiply
    438,650.43x = 658,038.41 × 135,070.27
  4. Step 4: Simplify right side
    438,650.43x = 88,881,425,709.07
  5. Step 5: Solve for x
    x = 88,881,425,709.07/438,650.43
  6. Step 6: Final answer
    x = 202,624.73

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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.