Home / 213,319.59-319,997.76-55,548.33

Finding the Fourth Proportional to 213,319.59, 319,997.76 and 55,548.33

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Solution

The fourth proportional to 213,319.59, 319,997.76 and 55,548.33 is: 83,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,319.59 : 319,997.76 = 55,548.33 : x
  2. Step 2: Convert to fraction form
    213,319.59/319,997.76 = 55,548.33/x
  3. Step 3: Cross multiply
    213,319.59x = 319,997.76 × 55,548.33
  4. Step 4: Simplify right side
    213,319.59x = 17,775,341,171.74
  5. Step 5: Solve for x
    x = 17,775,341,171.74/213,319.59
  6. Step 6: Final answer
    x = 83,327.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.