Home / 276,705.12-415,443.60-141,863.52

Finding the Fourth Proportional to 276,705.12, 415,443.60 and 141,863.52

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Solution

The fourth proportional to 276,705.12, 415,443.60 and 141,863.52 is: 212,993.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,705.12 : 415,443.60 = 141,863.52 : x
  2. Step 2: Convert to fraction form
    276,705.12/415,443.60 = 141,863.52/x
  3. Step 3: Cross multiply
    276,705.12x = 415,443.60 × 141,863.52
  4. Step 4: Simplify right side
    276,705.12x = 58,936,291,457.47
  5. Step 5: Solve for x
    x = 58,936,291,457.47/276,705.12
  6. Step 6: Final answer
    x = 212,993.14

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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.