Home / 260,749.56-391,121.04-83,254.32

Finding the Fourth Proportional to 260,749.56, 391,121.04 and 83,254.32

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Solution

The fourth proportional to 260,749.56, 391,121.04 and 83,254.32 is: 124,880.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,749.56 : 391,121.04 = 83,254.32 : x
  2. Step 2: Convert to fraction form
    260,749.56/391,121.04 = 83,254.32/x
  3. Step 3: Cross multiply
    260,749.56x = 391,121.04 × 83,254.32
  4. Step 4: Simplify right side
    260,749.56x = 32,562,516,222.89
  5. Step 5: Solve for x
    x = 32,562,516,222.89/260,749.56
  6. Step 6: Final answer
    x = 124,880.43

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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.