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Finding the Fourth Proportional to 366,066.60, 549,002.70 and 113,346.60

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Solution

The fourth proportional to 366,066.60, 549,002.70 and 113,346.60 is: 169,989.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,066.60 : 549,002.70 = 113,346.60 : x
  2. Step 2: Convert to fraction form
    366,066.60/549,002.70 = 113,346.60/x
  3. Step 3: Cross multiply
    366,066.60x = 549,002.70 × 113,346.60
  4. Step 4: Simplify right side
    366,066.60x = 62,227,589,435.82
  5. Step 5: Solve for x
    x = 62,227,589,435.82/366,066.60
  6. Step 6: Final answer
    x = 169,989.80

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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.