Home / 215,588.08-323,444.54-89,205.00

Finding the Fourth Proportional to 215,588.08, 323,444.54 and 89,205.00

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Solution

The fourth proportional to 215,588.08, 323,444.54 and 89,205.00 is: 133,833.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,588.08 : 323,444.54 = 89,205.00 : x
  2. Step 2: Convert to fraction form
    215,588.08/323,444.54 = 89,205.00/x
  3. Step 3: Cross multiply
    215,588.08x = 323,444.54 × 89,205.00
  4. Step 4: Simplify right side
    215,588.08x = 28,852,869,200.80
  5. Step 5: Solve for x
    x = 28,852,869,200.80/215,588.08
  6. Step 6: Final answer
    x = 133,833.32

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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.