Home / 258,132.20-387,198.30-242,580.20

Finding the Fourth Proportional to 258,132.20, 387,198.30 and 242,580.20

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Solution

The fourth proportional to 258,132.20, 387,198.30 and 242,580.20 is: 363,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,132.20 : 387,198.30 = 242,580.20 : x
  2. Step 2: Convert to fraction form
    258,132.20/387,198.30 = 242,580.20/x
  3. Step 3: Cross multiply
    258,132.20x = 387,198.30 × 242,580.20
  4. Step 4: Simplify right side
    258,132.20x = 93,926,641,053.66
  5. Step 5: Solve for x
    x = 93,926,641,053.66/258,132.20
  6. Step 6: Final answer
    x = 363,870.30

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1.5x scale

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.