Home / 276,820.34-382,003.49-155,952.14

Finding the Fourth Proportional to 276,820.34, 382,003.49 and 155,952.14

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Solution

The fourth proportional to 276,820.34, 382,003.49 and 155,952.14 is: 215,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,820.34 : 382,003.49 = 155,952.14 : x
  2. Step 2: Convert to fraction form
    276,820.34/382,003.49 = 155,952.14/x
  3. Step 3: Cross multiply
    276,820.34x = 382,003.49 × 155,952.14
  4. Step 4: Simplify right side
    276,820.34x = 59,574,260,232.83
  5. Step 5: Solve for x
    x = 59,574,260,232.83/276,820.34
  6. Step 6: Final answer
    x = 215,209.12

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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.