Home / 238,287.08-328,823.34-136,314.56

Finding the Fourth Proportional to 238,287.08, 328,823.34 and 136,314.56

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Solution

The fourth proportional to 238,287.08, 328,823.34 and 136,314.56 is: 188,106.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,287.08 : 328,823.34 = 136,314.56 : x
  2. Step 2: Convert to fraction form
    238,287.08/328,823.34 = 136,314.56/x
  3. Step 3: Cross multiply
    238,287.08x = 328,823.34 × 136,314.56
  4. Step 4: Simplify right side
    238,287.08x = 44,823,408,909.83
  5. Step 5: Solve for x
    x = 44,823,408,909.83/238,287.08
  6. Step 6: Final answer
    x = 188,106.75

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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.