Home / 339,255.08-508,825.02-89,962.28

Finding the Fourth Proportional to 339,255.08, 508,825.02 and 89,962.28

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Solution

The fourth proportional to 339,255.08, 508,825.02 and 89,962.28 is: 134,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,255.08 : 508,825.02 = 89,962.28 : x
  2. Step 2: Convert to fraction form
    339,255.08/508,825.02 = 89,962.28/x
  3. Step 3: Cross multiply
    339,255.08x = 508,825.02 × 89,962.28
  4. Step 4: Simplify right side
    339,255.08x = 45,775,058,920.25
  5. Step 5: Solve for x
    x = 45,775,058,920.25/339,255.08
  6. Step 6: Final answer
    x = 134,928.15

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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.