Home / 215,715.02-323,572.52-65,955.31

Finding the Fourth Proportional to 215,715.02, 323,572.52 and 65,955.31

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Solution

The fourth proportional to 215,715.02, 323,572.52 and 65,955.31 is: 98,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,715.02 : 323,572.52 = 65,955.31 : x
  2. Step 2: Convert to fraction form
    215,715.02/323,572.52 = 65,955.31/x
  3. Step 3: Cross multiply
    215,715.02x = 323,572.52 × 65,955.31
  4. Step 4: Simplify right side
    215,715.02x = 21,341,325,220.04
  5. Step 5: Solve for x
    x = 21,341,325,220.04/215,715.02
  6. Step 6: Final answer
    x = 98,932.96

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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.