Home / 236,528.30-354,849.15-78,758.18

Finding the Fourth Proportional to 236,528.30, 354,849.15 and 78,758.18

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Solution

The fourth proportional to 236,528.30, 354,849.15 and 78,758.18 is: 118,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,528.30 : 354,849.15 = 78,758.18 : x
  2. Step 2: Convert to fraction form
    236,528.30/354,849.15 = 78,758.18/x
  3. Step 3: Cross multiply
    236,528.30x = 354,849.15 × 78,758.18
  4. Step 4: Simplify right side
    236,528.30x = 27,947,273,228.55
  5. Step 5: Solve for x
    x = 27,947,273,228.55/236,528.30
  6. Step 6: Final answer
    x = 118,156.15

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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.