Home / 438,432.18-605,036.07-237,228.18

Finding the Fourth Proportional to 438,432.18, 605,036.07 and 237,228.18

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Solution

The fourth proportional to 438,432.18, 605,036.07 and 237,228.18 is: 327,374.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,432.18 : 605,036.07 = 237,228.18 : x
  2. Step 2: Convert to fraction form
    438,432.18/605,036.07 = 237,228.18/x
  3. Step 3: Cross multiply
    438,432.18x = 605,036.07 × 237,228.18
  4. Step 4: Simplify right side
    438,432.18x = 143,531,605,720.45
  5. Step 5: Solve for x
    x = 143,531,605,720.45/438,432.18
  6. Step 6: Final answer
    x = 327,374.71

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1.5x scale

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.