Home / 248,315.39-342,570.71-156,271.61

Finding the Fourth Proportional to 248,315.39, 342,570.71 and 156,271.61

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Solution

The fourth proportional to 248,315.39, 342,570.71 and 156,271.61 is: 215,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,315.39 : 342,570.71 = 156,271.61 : x
  2. Step 2: Convert to fraction form
    248,315.39/342,570.71 = 156,271.61/x
  3. Step 3: Cross multiply
    248,315.39x = 342,570.71 × 156,271.61
  4. Step 4: Simplify right side
    248,315.39x = 53,534,073,896.33
  5. Step 5: Solve for x
    x = 53,534,073,896.33/248,315.39
  6. Step 6: Final answer
    x = 215,589.03

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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.