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Finding the Fourth Proportional to 276,960.18, 415,440.24 and 158,548.08

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Solution

The fourth proportional to 276,960.18, 415,440.24 and 158,548.08 is: 237,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,960.18 : 415,440.24 = 158,548.08 : x
  2. Step 2: Convert to fraction form
    276,960.18/415,440.24 = 158,548.08/x
  3. Step 3: Cross multiply
    276,960.18x = 415,440.24 × 158,548.08
  4. Step 4: Simplify right side
    276,960.18x = 65,867,252,406.74
  5. Step 5: Solve for x
    x = 65,867,252,406.74/276,960.18
  6. Step 6: Final answer
    x = 237,822.10

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1.5x scale

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.