Home / 342,928.80-473,236.56-192,031.20

Finding the Fourth Proportional to 342,928.80, 473,236.56 and 192,031.20

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Solution

The fourth proportional to 342,928.80, 473,236.56 and 192,031.20 is: 265,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,928.80 : 473,236.56 = 192,031.20 : x
  2. Step 2: Convert to fraction form
    342,928.80/473,236.56 = 192,031.20/x
  3. Step 3: Cross multiply
    342,928.80x = 473,236.56 × 192,031.20
  4. Step 4: Simplify right side
    342,928.80x = 90,876,184,500.67
  5. Step 5: Solve for x
    x = 90,876,184,500.67/342,928.80
  6. Step 6: Final answer
    x = 265,000.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.