Home / 453,748.84-680,610.14-138,192.36

Finding the Fourth Proportional to 453,748.84, 680,610.14 and 138,192.36

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Solution

The fourth proportional to 453,748.84, 680,610.14 and 138,192.36 is: 207,284.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,748.84 : 680,610.14 = 138,192.36 : x
  2. Step 2: Convert to fraction form
    453,748.84/680,610.14 = 138,192.36/x
  3. Step 3: Cross multiply
    453,748.84x = 680,610.14 × 138,192.36
  4. Step 4: Simplify right side
    453,748.84x = 94,055,121,486.53
  5. Step 5: Solve for x
    x = 94,055,121,486.53/453,748.84
  6. Step 6: Final answer
    x = 207,284.54

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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.