Home / 215,423.38-297,319.76-164,339.65

Finding the Fourth Proportional to 215,423.38, 297,319.76 and 164,339.65

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Solution

The fourth proportional to 215,423.38, 297,319.76 and 164,339.65 is: 226,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,423.38 : 297,319.76 = 164,339.65 : x
  2. Step 2: Convert to fraction form
    215,423.38/297,319.76 = 164,339.65/x
  3. Step 3: Cross multiply
    215,423.38x = 297,319.76 × 164,339.65
  4. Step 4: Simplify right side
    215,423.38x = 48,861,425,296.48
  5. Step 5: Solve for x
    x = 48,861,425,296.48/215,423.38
  6. Step 6: Final answer
    x = 226,815.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.