Home / 262,248.10-393,372.15-256,999.30

Finding the Fourth Proportional to 262,248.10, 393,372.15 and 256,999.30

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Solution

The fourth proportional to 262,248.10, 393,372.15 and 256,999.30 is: 385,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,248.10 : 393,372.15 = 256,999.30 : x
  2. Step 2: Convert to fraction form
    262,248.10/393,372.15 = 256,999.30/x
  3. Step 3: Cross multiply
    262,248.10x = 393,372.15 × 256,999.30
  4. Step 4: Simplify right side
    262,248.10x = 101,096,367,189.50
  5. Step 5: Solve for x
    x = 101,096,367,189.50/262,248.10
  6. Step 6: Final answer
    x = 385,498.95

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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.