Home / 255,458.28-352,532.48-142,281.04

Finding the Fourth Proportional to 255,458.28, 352,532.48 and 142,281.04

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Solution

The fourth proportional to 255,458.28, 352,532.48 and 142,281.04 is: 196,347.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,458.28 : 352,532.48 = 142,281.04 : x
  2. Step 2: Convert to fraction form
    255,458.28/352,532.48 = 142,281.04/x
  3. Step 3: Cross multiply
    255,458.28x = 352,532.48 × 142,281.04
  4. Step 4: Simplify right side
    255,458.28x = 50,158,687,888.18
  5. Step 5: Solve for x
    x = 50,158,687,888.18/255,458.28
  6. Step 6: Final answer
    x = 196,347.87

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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.