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Finding the Fourth Proportional to 366,870.60, 550,403.10 and 130,188.60

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Solution

The fourth proportional to 366,870.60, 550,403.10 and 130,188.60 is: 195,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,870.60 : 550,403.10 = 130,188.60 : x
  2. Step 2: Convert to fraction form
    366,870.60/550,403.10 = 130,188.60/x
  3. Step 3: Cross multiply
    366,870.60x = 550,403.10 × 130,188.60
  4. Step 4: Simplify right side
    366,870.60x = 71,656,209,024.66
  5. Step 5: Solve for x
    x = 71,656,209,024.66/366,870.60
  6. Step 6: Final answer
    x = 195,317.39

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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.