Home / 255,844.56-353,023.88-153,845.52

Finding the Fourth Proportional to 255,844.56, 353,023.88 and 153,845.52

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Solution

The fourth proportional to 255,844.56, 353,023.88 and 153,845.52 is: 212,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,844.56 : 353,023.88 = 153,845.52 : x
  2. Step 2: Convert to fraction form
    255,844.56/353,023.88 = 153,845.52/x
  3. Step 3: Cross multiply
    255,844.56x = 353,023.88 × 153,845.52
  4. Step 4: Simplify right side
    255,844.56x = 54,311,142,391.02
  5. Step 5: Solve for x
    x = 54,311,142,391.02/255,844.56
  6. Step 6: Final answer
    x = 212,281.79

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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.