Home / 434,230.80-651,346.20-118,719.60

Finding the Fourth Proportional to 434,230.80, 651,346.20 and 118,719.60

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Solution

The fourth proportional to 434,230.80, 651,346.20 and 118,719.60 is: 178,079.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,230.80 : 651,346.20 = 118,719.60 : x
  2. Step 2: Convert to fraction form
    434,230.80/651,346.20 = 118,719.60/x
  3. Step 3: Cross multiply
    434,230.80x = 651,346.20 × 118,719.60
  4. Step 4: Simplify right side
    434,230.80x = 77,327,560,325.52
  5. Step 5: Solve for x
    x = 77,327,560,325.52/434,230.80
  6. Step 6: Final answer
    x = 178,079.40

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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.