Home / 242,629.20-363,943.80-158,648.40

Finding the Fourth Proportional to 242,629.20, 363,943.80 and 158,648.40

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Solution

The fourth proportional to 242,629.20, 363,943.80 and 158,648.40 is: 237,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,629.20 : 363,943.80 = 158,648.40 : x
  2. Step 2: Convert to fraction form
    242,629.20/363,943.80 = 158,648.40/x
  3. Step 3: Cross multiply
    242,629.20x = 363,943.80 × 158,648.40
  4. Step 4: Simplify right side
    242,629.20x = 57,739,101,559.92
  5. Step 5: Solve for x
    x = 57,739,101,559.92/242,629.20
  6. Step 6: Final answer
    x = 237,972.60

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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.