Home / 197,848.07-296,279.88-138,405.41

Finding the Fourth Proportional to 197,848.07, 296,279.88 and 138,405.41

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Solution

The fourth proportional to 197,848.07, 296,279.88 and 138,405.41 is: 207,263.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,848.07 : 296,279.88 = 138,405.41 : x
  2. Step 2: Convert to fraction form
    197,848.07/296,279.88 = 138,405.41/x
  3. Step 3: Cross multiply
    197,848.07x = 296,279.88 × 138,405.41
  4. Step 4: Simplify right side
    197,848.07x = 41,006,737,376.78
  5. Step 5: Solve for x
    x = 41,006,737,376.78/197,848.07
  6. Step 6: Final answer
    x = 207,263.77

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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.