Home / 245,182.98-338,350.20-136,284.48

Finding the Fourth Proportional to 245,182.98, 338,350.20 and 136,284.48

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Solution

The fourth proportional to 245,182.98, 338,350.20 and 136,284.48 is: 188,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,182.98 : 338,350.20 = 136,284.48 : x
  2. Step 2: Convert to fraction form
    245,182.98/338,350.20 = 136,284.48/x
  3. Step 3: Cross multiply
    245,182.98x = 338,350.20 × 136,284.48
  4. Step 4: Simplify right side
    245,182.98x = 46,111,881,064.90
  5. Step 5: Solve for x
    x = 46,111,881,064.90/245,182.98
  6. Step 6: Final answer
    x = 188,071.30

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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.