Home / 276,184.60-381,090.46-155,325.51

Finding the Fourth Proportional to 276,184.60, 381,090.46 and 155,325.51

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Solution

The fourth proportional to 276,184.60, 381,090.46 and 155,325.51 is: 214,324.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,184.60 : 381,090.46 = 155,325.51 : x
  2. Step 2: Convert to fraction form
    276,184.60/381,090.46 = 155,325.51/x
  3. Step 3: Cross multiply
    276,184.60x = 381,090.46 × 155,325.51
  4. Step 4: Simplify right side
    276,184.60x = 59,193,070,055.63
  5. Step 5: Solve for x
    x = 59,193,070,055.63/276,184.60
  6. Step 6: Final answer
    x = 214,324.30

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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.