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Finding the Fourth Proportional to 366,069.60, 549,104.40 and 129,410.40

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Solution

The fourth proportional to 366,069.60, 549,104.40 and 129,410.40 is: 194,115.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,069.60 : 549,104.40 = 129,410.40 : x
  2. Step 2: Convert to fraction form
    366,069.60/549,104.40 = 129,410.40/x
  3. Step 3: Cross multiply
    366,069.60x = 549,104.40 × 129,410.40
  4. Step 4: Simplify right side
    366,069.60x = 71,059,820,045.76
  5. Step 5: Solve for x
    x = 71,059,820,045.76/366,069.60
  6. Step 6: Final answer
    x = 194,115.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.