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Finding the Fourth Proportional to 350,408.34, 525,734.49 and 110,559.28

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Solution

The fourth proportional to 350,408.34, 525,734.49 and 110,559.28 is: 165,877.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,408.34 : 525,734.49 = 110,559.28 : x
  2. Step 2: Convert to fraction form
    350,408.34/525,734.49 = 110,559.28/x
  3. Step 3: Cross multiply
    350,408.34x = 525,734.49 × 110,559.28
  4. Step 4: Simplify right side
    350,408.34x = 58,124,826,685.57
  5. Step 5: Solve for x
    x = 58,124,826,685.57/350,408.34
  6. Step 6: Final answer
    x = 165,877.41

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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.