Home / 276,053.36-380,951.34-155,195.18

Finding the Fourth Proportional to 276,053.36, 380,951.34 and 155,195.18

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Solution

The fourth proportional to 276,053.36, 380,951.34 and 155,195.18 is: 214,168.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,053.36 : 380,951.34 = 155,195.18 : x
  2. Step 2: Convert to fraction form
    276,053.36/380,951.34 = 155,195.18/x
  3. Step 3: Cross multiply
    276,053.36x = 380,951.34 × 155,195.18
  4. Step 4: Simplify right side
    276,053.36x = 59,121,811,782.54
  5. Step 5: Solve for x
    x = 59,121,811,782.54/276,053.36
  6. Step 6: Final answer
    x = 214,168.06

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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.