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Finding the Fourth Proportional to 242,574.80, 363,862.20 and 241,019.60

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Solution

The fourth proportional to 242,574.80, 363,862.20 and 241,019.60 is: 361,529.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,574.80 : 363,862.20 = 241,019.60 : x
  2. Step 2: Convert to fraction form
    242,574.80/363,862.20 = 241,019.60/x
  3. Step 3: Cross multiply
    242,574.80x = 363,862.20 × 241,019.60
  4. Step 4: Simplify right side
    242,574.80x = 87,697,921,899.12
  5. Step 5: Solve for x
    x = 87,697,921,899.12/242,574.80
  6. Step 6: Final answer
    x = 361,529.40

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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.