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Finding the Fourth Proportional to 352,532.22, 486,494.47 and 191,387.04

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Solution

The fourth proportional to 352,532.22, 486,494.47 and 191,387.04 is: 264,114.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,532.22 : 486,494.47 = 191,387.04 : x
  2. Step 2: Convert to fraction form
    352,532.22/486,494.47 = 191,387.04/x
  3. Step 3: Cross multiply
    352,532.22x = 486,494.47 × 191,387.04
  4. Step 4: Simplify right side
    352,532.22x = 93,108,736,589.67
  5. Step 5: Solve for x
    x = 93,108,736,589.67/352,532.22
  6. Step 6: Final answer
    x = 264,114.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.