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Finding the Fourth Proportional to 212,000.22, 292,578.26 and 144,167.68

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Solution

The fourth proportional to 212,000.22, 292,578.26 and 144,167.68 is: 198,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,000.22 : 292,578.26 = 144,167.68 : x
  2. Step 2: Convert to fraction form
    212,000.22/292,578.26 = 144,167.68/x
  3. Step 3: Cross multiply
    212,000.22x = 292,578.26 × 144,167.68
  4. Step 4: Simplify right side
    212,000.22x = 42,180,328,962.64
  5. Step 5: Solve for x
    x = 42,180,328,962.64/212,000.22
  6. Step 6: Final answer
    x = 198,963.61

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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.