Home / 347,446.20-521,169.30-236,854.20

Finding the Fourth Proportional to 347,446.20, 521,169.30 and 236,854.20

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Solution

The fourth proportional to 347,446.20, 521,169.30 and 236,854.20 is: 355,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,446.20 : 521,169.30 = 236,854.20 : x
  2. Step 2: Convert to fraction form
    347,446.20/521,169.30 = 236,854.20/x
  3. Step 3: Cross multiply
    347,446.20x = 521,169.30 × 236,854.20
  4. Step 4: Simplify right side
    347,446.20x = 123,441,137,616.06
  5. Step 5: Solve for x
    x = 123,441,137,616.06/347,446.20
  6. Step 6: Final answer
    x = 355,281.30

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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.