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Finding the Fourth Proportional to 219,765.08, 303,281.76 and 124,286

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Solution

The fourth proportional to 219,765.08, 303,281.76 and 124,286 is: 171,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,765.08 : 303,281.76 = 124,286 : x
  2. Step 2: Convert to fraction form
    219,765.08/303,281.76 = 124,286/x
  3. Step 3: Cross multiply
    219,765.08x = 303,281.76 × 124,286
  4. Step 4: Simplify right side
    219,765.08x = 37,693,676,823.36
  5. Step 5: Solve for x
    x = 37,693,676,823.36/219,765.08
  6. Step 6: Final answer
    x = 171,518.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.