Home / 438,974.87-657,954.02-201,819.83

Finding the Fourth Proportional to 438,974.87, 657,954.02 and 201,819.83

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Solution

The fourth proportional to 438,974.87, 657,954.02 and 201,819.83 is: 302,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,974.87 : 657,954.02 = 201,819.83 : x
  2. Step 2: Convert to fraction form
    438,974.87/657,954.02 = 201,819.83/x
  3. Step 3: Cross multiply
    438,974.87x = 657,954.02 × 201,819.83
  4. Step 4: Simplify right side
    438,974.87x = 132,788,165,679.00
  5. Step 5: Solve for x
    x = 132,788,165,679.00/438,974.87
  6. Step 6: Final answer
    x = 302,496.06

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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.