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Finding the Fourth Proportional to 352,868.80, 486,950.52 and 191,720.20

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Solution

The fourth proportional to 352,868.80, 486,950.52 and 191,720.20 is: 264,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,868.80 : 486,950.52 = 191,720.20 : x
  2. Step 2: Convert to fraction form
    352,868.80/486,950.52 = 191,720.20/x
  3. Step 3: Cross multiply
    352,868.80x = 486,950.52 × 191,720.20
  4. Step 4: Simplify right side
    352,868.80x = 93,358,251,084.50
  5. Step 5: Solve for x
    x = 93,358,251,084.50/352,868.80
  6. Step 6: Final answer
    x = 264,569.30

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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.