Home / 247,721.93-341,835.39-137,343.52

Finding the Fourth Proportional to 247,721.93, 341,835.39 and 137,343.52

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Solution

The fourth proportional to 247,721.93, 341,835.39 and 137,343.52 is: 189,522.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,721.93 : 341,835.39 = 137,343.52 : x
  2. Step 2: Convert to fraction form
    247,721.93/341,835.39 = 137,343.52/x
  3. Step 3: Cross multiply
    247,721.93x = 341,835.39 × 137,343.52
  4. Step 4: Simplify right side
    247,721.93x = 46,948,877,111.88
  5. Step 5: Solve for x
    x = 46,948,877,111.88/247,721.93
  6. Step 6: Final answer
    x = 189,522.49

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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.