Home / 272,731.07-408,959.64-158,915.63

Finding the Fourth Proportional to 272,731.07, 408,959.64 and 158,915.63

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Solution

The fourth proportional to 272,731.07, 408,959.64 and 158,915.63 is: 238,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,731.07 : 408,959.64 = 158,915.63 : x
  2. Step 2: Convert to fraction form
    272,731.07/408,959.64 = 158,915.63/x
  3. Step 3: Cross multiply
    272,731.07x = 408,959.64 × 158,915.63
  4. Step 4: Simplify right side
    272,731.07x = 64,990,079,857.57
  5. Step 5: Solve for x
    x = 64,990,079,857.57/272,731.07
  6. Step 6: Final answer
    x = 238,293.64

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1.5x scale

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.