Home / 276,712.10-415,068.15-89,723.60

Finding the Fourth Proportional to 276,712.10, 415,068.15 and 89,723.60

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Solution

The fourth proportional to 276,712.10, 415,068.15 and 89,723.60 is: 134,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,712.10 : 415,068.15 = 89,723.60 : x
  2. Step 2: Convert to fraction form
    276,712.10/415,068.15 = 89,723.60/x
  3. Step 3: Cross multiply
    276,712.10x = 415,068.15 × 89,723.60
  4. Step 4: Simplify right side
    276,712.10x = 37,241,408,663.34
  5. Step 5: Solve for x
    x = 37,241,408,663.34/276,712.10
  6. Step 6: Final answer
    x = 134,585.40

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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.