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Finding the Fourth Proportional to 216,515.52, 298,519.52 and 165,590.72

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Solution

The fourth proportional to 216,515.52, 298,519.52 and 165,590.72 is: 228,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,515.52 : 298,519.52 = 165,590.72 : x
  2. Step 2: Convert to fraction form
    216,515.52/298,519.52 = 165,590.72/x
  3. Step 3: Cross multiply
    216,515.52x = 298,519.52 × 165,590.72
  4. Step 4: Simplify right side
    216,515.52x = 49,432,062,250.85
  5. Step 5: Solve for x
    x = 49,432,062,250.85/216,515.52
  6. Step 6: Final answer
    x = 228,307.25

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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.