Home / 453,985.91-680,977.04-138,441.91

Finding the Fourth Proportional to 453,985.91, 680,977.04 and 138,441.91

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Solution

The fourth proportional to 453,985.91, 680,977.04 and 138,441.91 is: 207,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,985.91 : 680,977.04 = 138,441.91 : x
  2. Step 2: Convert to fraction form
    453,985.91/680,977.04 = 138,441.91/x
  3. Step 3: Cross multiply
    453,985.91x = 680,977.04 × 138,441.91
  4. Step 4: Simplify right side
    453,985.91x = 94,275,760,727.41
  5. Step 5: Solve for x
    x = 94,275,760,727.41/453,985.91
  6. Step 6: Final answer
    x = 207,662.30

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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.