Home / 213,320.59-319,999.26-55,549.33

Finding the Fourth Proportional to 213,320.59, 319,999.26 and 55,549.33

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Solution

The fourth proportional to 213,320.59, 319,999.26 and 55,549.33 is: 83,328.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,320.59 : 319,999.26 = 55,549.33 : x
  2. Step 2: Convert to fraction form
    213,320.59/319,999.26 = 55,549.33/x
  3. Step 3: Cross multiply
    213,320.59x = 319,999.26 × 55,549.33
  4. Step 4: Simplify right side
    213,320.59x = 17,775,744,493.50
  5. Step 5: Solve for x
    x = 17,775,744,493.50/213,320.59
  6. Step 6: Final answer
    x = 83,328.78

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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.