Home / 558,382.96-837,851.22-221,416.40

Finding the Fourth Proportional to 558,382.96, 837,851.22 and 221,416.40

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Solution

The fourth proportional to 558,382.96, 837,851.22 and 221,416.40 is: 332,234.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,382.96 : 837,851.22 = 221,416.40 : x
  2. Step 2: Convert to fraction form
    558,382.96/837,851.22 = 221,416.40/x
  3. Step 3: Cross multiply
    558,382.96x = 837,851.22 × 221,416.40
  4. Step 4: Simplify right side
    558,382.96x = 185,514,000,868.01
  5. Step 5: Solve for x
    x = 185,514,000,868.01/558,382.96
  6. Step 6: Final answer
    x = 332,234.35

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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.