Home / 238,267.68-328,835.64-136,302.54

Finding the Fourth Proportional to 238,267.68, 328,835.64 and 136,302.54

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Solution

The fourth proportional to 238,267.68, 328,835.64 and 136,302.54 is: 188,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,267.68 : 328,835.64 = 136,302.54 : x
  2. Step 2: Convert to fraction form
    238,267.68/328,835.64 = 136,302.54/x
  3. Step 3: Cross multiply
    238,267.68x = 328,835.64 × 136,302.54
  4. Step 4: Simplify right side
    238,267.68x = 44,821,132,974.53
  5. Step 5: Solve for x
    x = 44,821,132,974.53/238,267.68
  6. Step 6: Final answer
    x = 188,112.52

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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.