Home / 211,031.06-316,577.78-61,251.94

Finding the Fourth Proportional to 211,031.06, 316,577.78 and 61,251.94

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Solution

The fourth proportional to 211,031.06, 316,577.78 and 61,251.94 is: 91,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,031.06 : 316,577.78 = 61,251.94 : x
  2. Step 2: Convert to fraction form
    211,031.06/316,577.78 = 61,251.94/x
  3. Step 3: Cross multiply
    211,031.06x = 316,577.78 × 61,251.94
  4. Step 4: Simplify right side
    211,031.06x = 19,391,003,185.89
  5. Step 5: Solve for x
    x = 19,391,003,185.89/211,031.06
  6. Step 6: Final answer
    x = 91,886.96

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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.