Home / 284,108.20-426,162.30-165,718.60

Finding the Fourth Proportional to 284,108.20, 426,162.30 and 165,718.60

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Solution

The fourth proportional to 284,108.20, 426,162.30 and 165,718.60 is: 248,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,108.20 : 426,162.30 = 165,718.60 : x
  2. Step 2: Convert to fraction form
    284,108.20/426,162.30 = 165,718.60/x
  3. Step 3: Cross multiply
    284,108.20x = 426,162.30 × 165,718.60
  4. Step 4: Simplify right side
    284,108.20x = 70,623,019,728.78
  5. Step 5: Solve for x
    x = 70,623,019,728.78/284,108.20
  6. Step 6: Final answer
    x = 248,577.90

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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.