Home / 268,187.86-402,331.02-127,946.50

Finding the Fourth Proportional to 268,187.86, 402,331.02 and 127,946.50

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Solution

The fourth proportional to 268,187.86, 402,331.02 and 127,946.50 is: 191,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,187.86 : 402,331.02 = 127,946.50 : x
  2. Step 2: Convert to fraction form
    268,187.86/402,331.02 = 127,946.50/x
  3. Step 3: Cross multiply
    268,187.86x = 402,331.02 × 127,946.50
  4. Step 4: Simplify right side
    268,187.86x = 51,476,845,850.43
  5. Step 5: Solve for x
    x = 51,476,845,850.43/268,187.86
  6. Step 6: Final answer
    x = 191,943.24

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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.