Home / 255,456.48-352,529.76-142,279.04

Finding the Fourth Proportional to 255,456.48, 352,529.76 and 142,279.04

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Solution

The fourth proportional to 255,456.48, 352,529.76 and 142,279.04 is: 196,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,456.48 : 352,529.76 = 142,279.04 : x
  2. Step 2: Convert to fraction form
    255,456.48/352,529.76 = 142,279.04/x
  3. Step 3: Cross multiply
    255,456.48x = 352,529.76 × 142,279.04
  4. Step 4: Simplify right side
    255,456.48x = 50,157,595,824.23
  5. Step 5: Solve for x
    x = 50,157,595,824.23/255,456.48
  6. Step 6: Final answer
    x = 196,344.97

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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.