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Finding the Fourth Proportional to 342,334.12, 513,622.80 and 152,777.20

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Solution

The fourth proportional to 342,334.12, 513,622.80 and 152,777.20 is: 229,220.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,334.12 : 513,622.80 = 152,777.20 : x
  2. Step 2: Convert to fraction form
    342,334.12/513,622.80 = 152,777.20/x
  3. Step 3: Cross multiply
    342,334.12x = 513,622.80 × 152,777.20
  4. Step 4: Simplify right side
    342,334.12x = 78,469,853,240.16
  5. Step 5: Solve for x
    x = 78,469,853,240.16/342,334.12
  6. Step 6: Final answer
    x = 229,220.08

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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.