Home / 410,623.60-616,000.20-130,169.20

Finding the Fourth Proportional to 410,623.60, 616,000.20 and 130,169.20

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Solution

The fourth proportional to 410,623.60, 616,000.20 and 130,169.20 is: 195,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,623.60 : 616,000.20 = 130,169.20 : x
  2. Step 2: Convert to fraction form
    410,623.60/616,000.20 = 130,169.20/x
  3. Step 3: Cross multiply
    410,623.60x = 616,000.20 × 130,169.20
  4. Step 4: Simplify right side
    410,623.60x = 80,184,253,233.84
  5. Step 5: Solve for x
    x = 80,184,253,233.84/410,623.60
  6. Step 6: Final answer
    x = 195,274.34

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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.