Home / 215,875.53-323,788.05-58,091.58

Finding the Fourth Proportional to 215,875.53, 323,788.05 and 58,091.58

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Solution

The fourth proportional to 215,875.53, 323,788.05 and 58,091.58 is: 87,130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,875.53 : 323,788.05 = 58,091.58 : x
  2. Step 2: Convert to fraction form
    215,875.53/323,788.05 = 58,091.58/x
  3. Step 3: Cross multiply
    215,875.53x = 323,788.05 × 58,091.58
  4. Step 4: Simplify right side
    215,875.53x = 18,809,359,409.62
  5. Step 5: Solve for x
    x = 18,809,359,409.62/215,875.53
  6. Step 6: Final answer
    x = 87,130.58

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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.