Home / 454,411.42-681,618.76-138,867.02

Finding the Fourth Proportional to 454,411.42, 681,618.76 and 138,867.02

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Solution

The fourth proportional to 454,411.42, 681,618.76 and 138,867.02 is: 208,301.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,411.42 : 681,618.76 = 138,867.02 : x
  2. Step 2: Convert to fraction form
    454,411.42/681,618.76 = 138,867.02/x
  3. Step 3: Cross multiply
    454,411.42x = 681,618.76 × 138,867.02
  4. Step 4: Simplify right side
    454,411.42x = 94,654,365,977.30
  5. Step 5: Solve for x
    x = 94,654,365,977.30/454,411.42
  6. Step 6: Final answer
    x = 208,301.03

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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.