Home / 248,320.88-342,578.28-156,277.12

Finding the Fourth Proportional to 248,320.88, 342,578.28 and 156,277.12

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Solution

The fourth proportional to 248,320.88, 342,578.28 and 156,277.12 is: 215,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,320.88 : 342,578.28 = 156,277.12 : x
  2. Step 2: Convert to fraction form
    248,320.88/342,578.28 = 156,277.12/x
  3. Step 3: Cross multiply
    248,320.88x = 342,578.28 × 156,277.12
  4. Step 4: Simplify right side
    248,320.88x = 53,537,146,972.95
  5. Step 5: Solve for x
    x = 53,537,146,972.95/248,320.88
  6. Step 6: Final answer
    x = 215,596.64

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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.