Home / 251,228.49-346,696.70-136,508.04

Finding the Fourth Proportional to 251,228.49, 346,696.70 and 136,508.04

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Solution

The fourth proportional to 251,228.49, 346,696.70 and 136,508.04 is: 188,381.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,228.49 : 346,696.70 = 136,508.04 : x
  2. Step 2: Convert to fraction form
    251,228.49/346,696.70 = 136,508.04/x
  3. Step 3: Cross multiply
    251,228.49x = 346,696.70 × 136,508.04
  4. Step 4: Simplify right side
    251,228.49x = 47,326,886,308.93
  5. Step 5: Solve for x
    x = 47,326,886,308.93/251,228.49
  6. Step 6: Final answer
    x = 188,381.84

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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.