Home / 462,664.90-638,231.37-281,432.26

Finding the Fourth Proportional to 462,664.90, 638,231.37 and 281,432.26

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Solution

The fourth proportional to 462,664.90, 638,231.37 and 281,432.26 is: 388,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,664.90 : 638,231.37 = 281,432.26 : x
  2. Step 2: Convert to fraction form
    462,664.90/638,231.37 = 281,432.26/x
  3. Step 3: Cross multiply
    462,664.90x = 638,231.37 × 281,432.26
  4. Step 4: Simplify right side
    462,664.90x = 179,618,896,862.00
  5. Step 5: Solve for x
    x = 179,618,896,862.00/462,664.90
  6. Step 6: Final answer
    x = 388,226.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.