Home / 248,313.88-342,568.64-156,270.11

Finding the Fourth Proportional to 248,313.88, 342,568.64 and 156,270.11

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Solution

The fourth proportional to 248,313.88, 342,568.64 and 156,270.11 is: 215,586.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,313.88 : 342,568.64 = 156,270.11 : x
  2. Step 2: Convert to fraction form
    248,313.88/342,568.64 = 156,270.11/x
  3. Step 3: Cross multiply
    248,313.88x = 342,568.64 × 156,270.11
  4. Step 4: Simplify right side
    248,313.88x = 53,533,236,561.16
  5. Step 5: Solve for x
    x = 53,533,236,561.16/248,313.88
  6. Step 6: Final answer
    x = 215,586.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.