Home / 438,238.65-658,513.87-235,984.29

Finding the Fourth Proportional to 438,238.65, 658,513.87 and 235,984.29

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Solution

The fourth proportional to 438,238.65, 658,513.87 and 235,984.29 is: 354,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,238.65 : 658,513.87 = 235,984.29 : x
  2. Step 2: Convert to fraction form
    438,238.65/658,513.87 = 235,984.29/x
  3. Step 3: Cross multiply
    438,238.65x = 658,513.87 × 235,984.29
  4. Step 4: Simplify right side
    438,238.65x = 155,398,928,067.10
  5. Step 5: Solve for x
    x = 155,398,928,067.10/438,238.65
  6. Step 6: Final answer
    x = 354,598.87

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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.