Home / 215,332.64-322,999.06-96,865.60

Finding the Fourth Proportional to 215,332.64, 322,999.06 and 96,865.60

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Solution

The fourth proportional to 215,332.64, 322,999.06 and 96,865.60 is: 145,298.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,332.64 : 322,999.06 = 96,865.60 : x
  2. Step 2: Convert to fraction form
    215,332.64/322,999.06 = 96,865.60/x
  3. Step 3: Cross multiply
    215,332.64x = 322,999.06 × 96,865.60
  4. Step 4: Simplify right side
    215,332.64x = 31,287,497,746.34
  5. Step 5: Solve for x
    x = 31,287,497,746.34/215,332.64
  6. Step 6: Final answer
    x = 145,298.44

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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.