Home / 276,672.08-415,066.44-89,669

Finding the Fourth Proportional to 276,672.08, 415,066.44 and 89,669

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Solution

The fourth proportional to 276,672.08, 415,066.44 and 89,669 is: 134,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,672.08 : 415,066.44 = 89,669 : x
  2. Step 2: Convert to fraction form
    276,672.08/415,066.44 = 89,669/x
  3. Step 3: Cross multiply
    276,672.08x = 415,066.44 × 89,669
  4. Step 4: Simplify right side
    276,672.08x = 37,218,592,608.36
  5. Step 5: Solve for x
    x = 37,218,592,608.36/276,672.08
  6. Step 6: Final answer
    x = 134,522.40

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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.