Home / 211,801.27-317,702.19-148,902.70

Finding the Fourth Proportional to 211,801.27, 317,702.19 and 148,902.70

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Solution

The fourth proportional to 211,801.27, 317,702.19 and 148,902.70 is: 223,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,801.27 : 317,702.19 = 148,902.70 : x
  2. Step 2: Convert to fraction form
    211,801.27/317,702.19 = 148,902.70/x
  3. Step 3: Cross multiply
    211,801.27x = 317,702.19 × 148,902.70
  4. Step 4: Simplify right side
    211,801.27x = 47,306,713,886.91
  5. Step 5: Solve for x
    x = 47,306,713,886.91/211,801.27
  6. Step 6: Final answer
    x = 223,354.25

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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.