Home / 264,217.40-396,326.10-243,999.80

Finding the Fourth Proportional to 264,217.40, 396,326.10 and 243,999.80

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Solution

The fourth proportional to 264,217.40, 396,326.10 and 243,999.80 is: 365,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,217.40 : 396,326.10 = 243,999.80 : x
  2. Step 2: Convert to fraction form
    264,217.40/396,326.10 = 243,999.80/x
  3. Step 3: Cross multiply
    264,217.40x = 396,326.10 × 243,999.80
  4. Step 4: Simplify right side
    264,217.40x = 96,703,489,134.78
  5. Step 5: Solve for x
    x = 96,703,489,134.78/264,217.40
  6. Step 6: Final answer
    x = 365,999.70

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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.