Home / 558,390.96-837,863.22-221,424.40

Finding the Fourth Proportional to 558,390.96, 837,863.22 and 221,424.40

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Solution

The fourth proportional to 558,390.96, 837,863.22 and 221,424.40 is: 332,246.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,390.96 : 837,863.22 = 221,424.40 : x
  2. Step 2: Convert to fraction form
    558,390.96/837,863.22 = 221,424.40/x
  3. Step 3: Cross multiply
    558,390.96x = 837,863.22 × 221,424.40
  4. Step 4: Simplify right side
    558,390.96x = 185,523,360,770.57
  5. Step 5: Solve for x
    x = 185,523,360,770.57/558,390.96
  6. Step 6: Final answer
    x = 332,246.35

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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.