Home / 242,220.80-363,331.20-130,246.40

Finding the Fourth Proportional to 242,220.80, 363,331.20 and 130,246.40

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Solution

The fourth proportional to 242,220.80, 363,331.20 and 130,246.40 is: 195,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,220.80 : 363,331.20 = 130,246.40 : x
  2. Step 2: Convert to fraction form
    242,220.80/363,331.20 = 130,246.40/x
  3. Step 3: Cross multiply
    242,220.80x = 363,331.20 × 130,246.40
  4. Step 4: Simplify right side
    242,220.80x = 47,322,580,807.68
  5. Step 5: Solve for x
    x = 47,322,580,807.68/242,220.80
  6. Step 6: Final answer
    x = 195,369.60

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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.