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Finding the Fourth Proportional to 350,460.44, 525,734.39 and 137,200.81

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Solution

The fourth proportional to 350,460.44, 525,734.39 and 137,200.81 is: 205,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,460.44 : 525,734.39 = 137,200.81 : x
  2. Step 2: Convert to fraction form
    350,460.44/525,734.39 = 137,200.81/x
  3. Step 3: Cross multiply
    350,460.44x = 525,734.39 × 137,200.81
  4. Step 4: Simplify right side
    350,460.44x = 72,131,184,152.86
  5. Step 5: Solve for x
    x = 72,131,184,152.86/350,460.44
  6. Step 6: Final answer
    x = 205,818.33

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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.