Home / 268,013.10-369,865.85-151,717.39

Finding the Fourth Proportional to 268,013.10, 369,865.85 and 151,717.39

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Solution

The fourth proportional to 268,013.10, 369,865.85 and 151,717.39 is: 209,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,013.10 : 369,865.85 = 151,717.39 : x
  2. Step 2: Convert to fraction form
    268,013.10/369,865.85 = 151,717.39/x
  3. Step 3: Cross multiply
    268,013.10x = 369,865.85 × 151,717.39
  4. Step 4: Simplify right side
    268,013.10x = 56,115,079,728.88
  5. Step 5: Solve for x
    x = 56,115,079,728.88/268,013.10
  6. Step 6: Final answer
    x = 209,374.39

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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.