Home / 276,823.14-382,014.20-156,003.21

Finding the Fourth Proportional to 276,823.14, 382,014.20 and 156,003.21

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Solution

The fourth proportional to 276,823.14, 382,014.20 and 156,003.21 is: 215,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,823.14 : 382,014.20 = 156,003.21 : x
  2. Step 2: Convert to fraction form
    276,823.14/382,014.20 = 156,003.21/x
  3. Step 3: Cross multiply
    276,823.14x = 382,014.20 × 156,003.21
  4. Step 4: Simplify right side
    276,823.14x = 59,595,440,685.57
  5. Step 5: Solve for x
    x = 59,595,440,685.57/276,823.14
  6. Step 6: Final answer
    x = 215,283.45

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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.