Home / 237,325.77-327,507.04-128,427.71

Finding the Fourth Proportional to 237,325.77, 327,507.04 and 128,427.71

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Solution

The fourth proportional to 237,325.77, 327,507.04 and 128,427.71 is: 177,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,325.77 : 327,507.04 = 128,427.71 : x
  2. Step 2: Convert to fraction form
    237,325.77/327,507.04 = 128,427.71/x
  3. Step 3: Cross multiply
    237,325.77x = 327,507.04 × 128,427.71
  4. Step 4: Simplify right side
    237,325.77x = 42,060,977,679.08
  5. Step 5: Solve for x
    x = 42,060,977,679.08/237,325.77
  6. Step 6: Final answer
    x = 177,228.87

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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.