Home / 221,064.12-331,498.80-63,256.68

Finding the Fourth Proportional to 221,064.12, 331,498.80 and 63,256.68

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Solution

The fourth proportional to 221,064.12, 331,498.80 and 63,256.68 is: 94,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,064.12 : 331,498.80 = 63,256.68 : x
  2. Step 2: Convert to fraction form
    221,064.12/331,498.80 = 63,256.68/x
  3. Step 3: Cross multiply
    221,064.12x = 331,498.80 × 63,256.68
  4. Step 4: Simplify right side
    221,064.12x = 20,969,513,511.98
  5. Step 5: Solve for x
    x = 20,969,513,511.98/221,064.12
  6. Step 6: Final answer
    x = 94,857.16

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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.