Home / 221,559.39-304,982.28-193,215.87

Finding the Fourth Proportional to 221,559.39, 304,982.28 and 193,215.87

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Solution

The fourth proportional to 221,559.39, 304,982.28 and 193,215.87 is: 265,966.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,559.39 : 304,982.28 = 193,215.87 : x
  2. Step 2: Convert to fraction form
    221,559.39/304,982.28 = 193,215.87/x
  3. Step 3: Cross multiply
    221,559.39x = 304,982.28 × 193,215.87
  4. Step 4: Simplify right side
    221,559.39x = 58,927,416,564.78
  5. Step 5: Solve for x
    x = 58,927,416,564.78/221,559.39
  6. Step 6: Final answer
    x = 265,966.69

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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.