Home / 257,159.28-354,803.04-166,371.45

Finding the Fourth Proportional to 257,159.28, 354,803.04 and 166,371.45

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Solution

The fourth proportional to 257,159.28, 354,803.04 and 166,371.45 is: 229,542.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,159.28 : 354,803.04 = 166,371.45 : x
  2. Step 2: Convert to fraction form
    257,159.28/354,803.04 = 166,371.45/x
  3. Step 3: Cross multiply
    257,159.28x = 354,803.04 × 166,371.45
  4. Step 4: Simplify right side
    257,159.28x = 59,029,096,229.21
  5. Step 5: Solve for x
    x = 59,029,096,229.21/257,159.28
  6. Step 6: Final answer
    x = 229,542.94

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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.