Home / 561,827.07-842,765.22-162,508.21

Finding the Fourth Proportional to 561,827.07, 842,765.22 and 162,508.21

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Solution

The fourth proportional to 561,827.07, 842,765.22 and 162,508.21 is: 243,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,827.07 : 842,765.22 = 162,508.21 : x
  2. Step 2: Convert to fraction form
    561,827.07/842,765.22 = 162,508.21/x
  3. Step 3: Cross multiply
    561,827.07x = 842,765.22 × 162,508.21
  4. Step 4: Simplify right side
    561,827.07x = 136,956,267,352.46
  5. Step 5: Solve for x
    x = 136,956,267,352.46/561,827.07
  6. Step 6: Final answer
    x = 243,769.43

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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.