Home / 248,400.28-342,790.68-135,222.76

Finding the Fourth Proportional to 248,400.28, 342,790.68 and 135,222.76

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Solution

The fourth proportional to 248,400.28, 342,790.68 and 135,222.76 is: 186,606.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,400.28 : 342,790.68 = 135,222.76 : x
  2. Step 2: Convert to fraction form
    248,400.28/342,790.68 = 135,222.76/x
  3. Step 3: Cross multiply
    248,400.28x = 342,790.68 × 135,222.76
  4. Step 4: Simplify right side
    248,400.28x = 46,353,101,851.88
  5. Step 5: Solve for x
    x = 46,353,101,851.88/248,400.28
  6. Step 6: Final answer
    x = 186,606.48

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1.5x scale

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.