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Finding the Fourth Proportional to 276,409.46, 381,254.16 and 169,032.32

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Solution

The fourth proportional to 276,409.46, 381,254.16 and 169,032.32 is: 233,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,409.46 : 381,254.16 = 169,032.32 : x
  2. Step 2: Convert to fraction form
    276,409.46/381,254.16 = 169,032.32/x
  3. Step 3: Cross multiply
    276,409.46x = 381,254.16 × 169,032.32
  4. Step 4: Simplify right side
    276,409.46x = 64,444,275,174.45
  5. Step 5: Solve for x
    x = 64,444,275,174.45/276,409.46
  6. Step 6: Final answer
    x = 233,147.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.