Home / 221,587.17-331,885.04-103,080.93

Finding the Fourth Proportional to 221,587.17, 331,885.04 and 103,080.93

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Solution

The fourth proportional to 221,587.17, 331,885.04 and 103,080.93 is: 154,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,587.17 : 331,885.04 = 103,080.93 : x
  2. Step 2: Convert to fraction form
    221,587.17/331,885.04 = 103,080.93/x
  3. Step 3: Cross multiply
    221,587.17x = 331,885.04 × 103,080.93
  4. Step 4: Simplify right side
    221,587.17x = 34,211,018,060.88
  5. Step 5: Solve for x
    x = 34,211,018,060.88/221,587.17
  6. Step 6: Final answer
    x = 154,390.79

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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.