Home / 211,541.60-317,326.80-61,781.60

Finding the Fourth Proportional to 211,541.60, 317,326.80 and 61,781.60

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Solution

The fourth proportional to 211,541.60, 317,326.80 and 61,781.60 is: 92,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,541.60 : 317,326.80 = 61,781.60 : x
  2. Step 2: Convert to fraction form
    211,541.60/317,326.80 = 61,781.60/x
  3. Step 3: Cross multiply
    211,541.60x = 317,326.80 × 61,781.60
  4. Step 4: Simplify right side
    211,541.60x = 19,604,957,426.88
  5. Step 5: Solve for x
    x = 19,604,957,426.88/211,541.60
  6. Step 6: Final answer
    x = 92,676.61

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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.