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Finding the Fourth Proportional to 243,638.42, 365,519.90 and 101,436.41

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Solution

The fourth proportional to 243,638.42, 365,519.90 and 101,436.41 is: 152,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,638.42 : 365,519.90 = 101,436.41 : x
  2. Step 2: Convert to fraction form
    243,638.42/365,519.90 = 101,436.41/x
  3. Step 3: Cross multiply
    243,638.42x = 365,519.90 × 101,436.41
  4. Step 4: Simplify right side
    243,638.42x = 37,077,027,606.95
  5. Step 5: Solve for x
    x = 37,077,027,606.95/243,638.42
  6. Step 6: Final answer
    x = 152,180.55

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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.