Home / 276,875.56-382,088.51-149,551.26

Finding the Fourth Proportional to 276,875.56, 382,088.51 and 149,551.26

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Solution

The fourth proportional to 276,875.56, 382,088.51 and 149,551.26 is: 206,380.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,875.56 : 382,088.51 = 149,551.26 : x
  2. Step 2: Convert to fraction form
    276,875.56/382,088.51 = 149,551.26/x
  3. Step 3: Cross multiply
    276,875.56x = 382,088.51 × 149,551.26
  4. Step 4: Simplify right side
    276,875.56x = 57,141,818,102.02
  5. Step 5: Solve for x
    x = 57,141,818,102.02/276,875.56
  6. Step 6: Final answer
    x = 206,380.87

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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.