Home / 242,001.20-363,066.60-215,886.80

Finding the Fourth Proportional to 242,001.20, 363,066.60 and 215,886.80

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Solution

The fourth proportional to 242,001.20, 363,066.60 and 215,886.80 is: 323,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,001.20 : 363,066.60 = 215,886.80 : x
  2. Step 2: Convert to fraction form
    242,001.20/363,066.60 = 215,886.80/x
  3. Step 3: Cross multiply
    242,001.20x = 363,066.60 × 215,886.80
  4. Step 4: Simplify right side
    242,001.20x = 78,381,286,460.88
  5. Step 5: Solve for x
    x = 78,381,286,460.88/242,001.20
  6. Step 6: Final answer
    x = 323,888.01

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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.