Home / 276,035.32-380,902.26-155,148.76

Finding the Fourth Proportional to 276,035.32, 380,902.26 and 155,148.76

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Solution

The fourth proportional to 276,035.32, 380,902.26 and 155,148.76 is: 214,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,035.32 : 380,902.26 = 155,148.76 : x
  2. Step 2: Convert to fraction form
    276,035.32/380,902.26 = 155,148.76/x
  3. Step 3: Cross multiply
    276,035.32x = 380,902.26 × 155,148.76
  4. Step 4: Simplify right side
    276,035.32x = 59,096,513,320.20
  5. Step 5: Solve for x
    x = 59,096,513,320.20/276,035.32
  6. Step 6: Final answer
    x = 214,090.40

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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.