Home / 242,570.20-363,855.30-207,140.80

Finding the Fourth Proportional to 242,570.20, 363,855.30 and 207,140.80

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Solution

The fourth proportional to 242,570.20, 363,855.30 and 207,140.80 is: 310,711.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,570.20 : 363,855.30 = 207,140.80 : x
  2. Step 2: Convert to fraction form
    242,570.20/363,855.30 = 207,140.80/x
  3. Step 3: Cross multiply
    242,570.20x = 363,855.30 × 207,140.80
  4. Step 4: Simplify right side
    242,570.20x = 75,369,277,926.24
  5. Step 5: Solve for x
    x = 75,369,277,926.24/242,570.20
  6. Step 6: Final answer
    x = 310,711.20

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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.