Home / 268,185.90-402,328.02-127,944.50

Finding the Fourth Proportional to 268,185.90, 402,328.02 and 127,944.50

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Solution

The fourth proportional to 268,185.90, 402,328.02 and 127,944.50 is: 191,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,185.90 : 402,328.02 = 127,944.50 : x
  2. Step 2: Convert to fraction form
    268,185.90/402,328.02 = 127,944.50/x
  3. Step 3: Cross multiply
    268,185.90x = 402,328.02 × 127,944.50
  4. Step 4: Simplify right side
    268,185.90x = 51,475,657,354.89
  5. Step 5: Solve for x
    x = 51,475,657,354.89/268,185.90
  6. Step 6: Final answer
    x = 191,940.21

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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.