Home / 242,539.20-363,808.80-149,097.60

Finding the Fourth Proportional to 242,539.20, 363,808.80 and 149,097.60

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Solution

The fourth proportional to 242,539.20, 363,808.80 and 149,097.60 is: 223,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,539.20 : 363,808.80 = 149,097.60 : x
  2. Step 2: Convert to fraction form
    242,539.20/363,808.80 = 149,097.60/x
  3. Step 3: Cross multiply
    242,539.20x = 363,808.80 × 149,097.60
  4. Step 4: Simplify right side
    242,539.20x = 54,243,018,938.88
  5. Step 5: Solve for x
    x = 54,243,018,938.88/242,539.20
  6. Step 6: Final answer
    x = 223,646.40

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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.