Home / 352,867.30-486,948.45-191,718.70

Finding the Fourth Proportional to 352,867.30, 486,948.45 and 191,718.70

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Solution

The fourth proportional to 352,867.30, 486,948.45 and 191,718.70 is: 264,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,867.30 : 486,948.45 = 191,718.70 : x
  2. Step 2: Convert to fraction form
    352,867.30/486,948.45 = 191,718.70/x
  3. Step 3: Cross multiply
    352,867.30x = 486,948.45 × 191,718.70
  4. Step 4: Simplify right side
    352,867.30x = 93,357,123,801.02
  5. Step 5: Solve for x
    x = 93,357,123,801.02/352,867.30
  6. Step 6: Final answer
    x = 264,567.23

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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.