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Finding the Fourth Proportional to 268,180, 402,321.76 and 101,955.04

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Solution

The fourth proportional to 268,180, 402,321.76 and 101,955.04 is: 152,952.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,180 : 402,321.76 = 101,955.04 : x
  2. Step 2: Convert to fraction form
    268,180/402,321.76 = 101,955.04/x
  3. Step 3: Cross multiply
    268,180x = 402,321.76 × 101,955.04
  4. Step 4: Simplify right side
    268,180x = 41,018,731,133.67
  5. Step 5: Solve for x
    x = 41,018,731,133.67/268,180
  6. Step 6: Final answer
    x = 152,952.24

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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.