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Finding the Fourth Proportional to 247,129.86, 370,271.56 and 134,888.84

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Solution

The fourth proportional to 247,129.86, 370,271.56 and 134,888.84 is: 202,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,129.86 : 370,271.56 = 134,888.84 : x
  2. Step 2: Convert to fraction form
    247,129.86/370,271.56 = 134,888.84/x
  3. Step 3: Cross multiply
    247,129.86x = 370,271.56 × 134,888.84
  4. Step 4: Simplify right side
    247,129.86x = 49,945,501,213.39
  5. Step 5: Solve for x
    x = 49,945,501,213.39/247,129.86
  6. Step 6: Final answer
    x = 202,102.25

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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.