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Finding the Fourth Proportional to 366,495.60, 549,840.60 and 129,813.60

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Solution

The fourth proportional to 366,495.60, 549,840.60 and 129,813.60 is: 194,754.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,495.60 : 549,840.60 = 129,813.60 : x
  2. Step 2: Convert to fraction form
    366,495.60/549,840.60 = 129,813.60/x
  3. Step 3: Cross multiply
    366,495.60x = 549,840.60 × 129,813.60
  4. Step 4: Simplify right side
    366,495.60x = 71,376,787,712.16
  5. Step 5: Solve for x
    x = 71,376,787,712.16/366,495.60
  6. Step 6: Final answer
    x = 194,754.83

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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.