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Finding the Fourth Proportional to 219,000.38, 328,500.58 and 52,788.38

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Solution

The fourth proportional to 219,000.38, 328,500.58 and 52,788.38 is: 79,182.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,000.38 : 328,500.58 = 52,788.38 : x
  2. Step 2: Convert to fraction form
    219,000.38/328,500.58 = 52,788.38/x
  3. Step 3: Cross multiply
    219,000.38x = 328,500.58 × 52,788.38
  4. Step 4: Simplify right side
    219,000.38x = 17,341,013,447.26
  5. Step 5: Solve for x
    x = 17,341,013,447.26/219,000.38
  6. Step 6: Final answer
    x = 79,182.57

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1.5x scale

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.