Home / 213,009.60-319,559.76-63,250.32

Finding the Fourth Proportional to 213,009.60, 319,559.76 and 63,250.32

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Solution

The fourth proportional to 213,009.60, 319,559.76 and 63,250.32 is: 94,888.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,009.60 : 319,559.76 = 63,250.32 : x
  2. Step 2: Convert to fraction form
    213,009.60/319,559.76 = 63,250.32/x
  3. Step 3: Cross multiply
    213,009.60x = 319,559.76 × 63,250.32
  4. Step 4: Simplify right side
    213,009.60x = 20,212,257,079.12
  5. Step 5: Solve for x
    x = 20,212,257,079.12/213,009.60
  6. Step 6: Final answer
    x = 94,888.95

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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.