Home / 215,835.92-323,476.80-103,347.58

Finding the Fourth Proportional to 215,835.92, 323,476.80 and 103,347.58

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Solution

The fourth proportional to 215,835.92, 323,476.80 and 103,347.58 is: 154,888.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,835.92 : 323,476.80 = 103,347.58 : x
  2. Step 2: Convert to fraction form
    215,835.92/323,476.80 = 103,347.58/x
  3. Step 3: Cross multiply
    215,835.92x = 323,476.80 × 103,347.58
  4. Step 4: Simplify right side
    215,835.92x = 33,430,544,466.14
  5. Step 5: Solve for x
    x = 33,430,544,466.14/215,835.92
  6. Step 6: Final answer
    x = 154,888.70

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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.