Home / 257,177.51-355,581.89-225,254.60

Finding the Fourth Proportional to 257,177.51, 355,581.89 and 225,254.60

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Solution

The fourth proportional to 257,177.51, 355,581.89 and 225,254.60 is: 311,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,177.51 : 355,581.89 = 225,254.60 : x
  2. Step 2: Convert to fraction form
    257,177.51/355,581.89 = 225,254.60/x
  3. Step 3: Cross multiply
    257,177.51x = 355,581.89 × 225,254.60
  4. Step 4: Simplify right side
    257,177.51x = 80,096,456,399.19
  5. Step 5: Solve for x
    x = 80,096,456,399.19/257,177.51
  6. Step 6: Final answer
    x = 311,444.25

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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.