Home / 215,228.45-322,905.73-88,875.90

Finding the Fourth Proportional to 215,228.45, 322,905.73 and 88,875.90

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Solution

The fourth proportional to 215,228.45, 322,905.73 and 88,875.90 is: 133,339.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,228.45 : 322,905.73 = 88,875.90 : x
  2. Step 2: Convert to fraction form
    215,228.45/322,905.73 = 88,875.90/x
  3. Step 3: Cross multiply
    215,228.45x = 322,905.73 × 88,875.90
  4. Step 4: Simplify right side
    215,228.45x = 28,698,537,368.91
  5. Step 5: Solve for x
    x = 28,698,537,368.91/215,228.45
  6. Step 6: Final answer
    x = 133,339.89

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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.