Home / 245,224.36-338,429.22-137,799.40

Finding the Fourth Proportional to 245,224.36, 338,429.22 and 137,799.40

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Solution

The fourth proportional to 245,224.36, 338,429.22 and 137,799.40 is: 190,174.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,224.36 : 338,429.22 = 137,799.40 : x
  2. Step 2: Convert to fraction form
    245,224.36/338,429.22 = 137,799.40/x
  3. Step 3: Cross multiply
    245,224.36x = 338,429.22 × 137,799.40
  4. Step 4: Simplify right side
    245,224.36x = 46,635,343,458.47
  5. Step 5: Solve for x
    x = 46,635,343,458.47/245,224.36
  6. Step 6: Final answer
    x = 190,174.19

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1.5x scale

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.