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Finding the Fourth Proportional to 235,501.40, 353,256.14 and 67,026.05

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Solution

The fourth proportional to 235,501.40, 353,256.14 and 67,026.05 is: 100,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,501.40 : 353,256.14 = 67,026.05 : x
  2. Step 2: Convert to fraction form
    235,501.40/353,256.14 = 67,026.05/x
  3. Step 3: Cross multiply
    235,501.40x = 353,256.14 × 67,026.05
  4. Step 4: Simplify right side
    235,501.40x = 23,677,361,601.04
  5. Step 5: Solve for x
    x = 23,677,361,601.04/235,501.40
  6. Step 6: Final answer
    x = 100,540.22

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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.