Home / 211,417.74-316,517.22-140,411.25

Finding the Fourth Proportional to 211,417.74, 316,517.22 and 140,411.25

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Solution

The fourth proportional to 211,417.74, 316,517.22 and 140,411.25 is: 210,212.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,417.74 : 316,517.22 = 140,411.25 : x
  2. Step 2: Convert to fraction form
    211,417.74/316,517.22 = 140,411.25/x
  3. Step 3: Cross multiply
    211,417.74x = 316,517.22 × 140,411.25
  4. Step 4: Simplify right side
    211,417.74x = 44,442,578,506.73
  5. Step 5: Solve for x
    x = 44,442,578,506.73/211,417.74
  6. Step 6: Final answer
    x = 210,212.15

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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.