Home / 329,895.60-494,746.20-130,149.60

Finding the Fourth Proportional to 329,895.60, 494,746.20 and 130,149.60

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Solution

The fourth proportional to 329,895.60, 494,746.20 and 130,149.60 is: 195,186.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,895.60 : 494,746.20 = 130,149.60 : x
  2. Step 2: Convert to fraction form
    329,895.60/494,746.20 = 130,149.60/x
  3. Step 3: Cross multiply
    329,895.60x = 494,746.20 × 130,149.60
  4. Step 4: Simplify right side
    329,895.60x = 64,391,020,031.52
  5. Step 5: Solve for x
    x = 64,391,020,031.52/329,895.60
  6. Step 6: Final answer
    x = 195,186.05

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1.5x scale

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.