Home / 245,207.36-338,380.80-136,304.48

Finding the Fourth Proportional to 245,207.36, 338,380.80 and 136,304.48

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Solution

The fourth proportional to 245,207.36, 338,380.80 and 136,304.48 is: 188,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,207.36 : 338,380.80 = 136,304.48 : x
  2. Step 2: Convert to fraction form
    245,207.36/338,380.80 = 136,304.48/x
  3. Step 3: Cross multiply
    245,207.36x = 338,380.80 × 136,304.48
  4. Step 4: Simplify right side
    245,207.36x = 46,122,818,985.98
  5. Step 5: Solve for x
    x = 46,122,818,985.98/245,207.36
  6. Step 6: Final answer
    x = 188,097.20

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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.