Home / 259,417.44-389,244.39-133,146.36

Finding the Fourth Proportional to 259,417.44, 389,244.39 and 133,146.36

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Solution

The fourth proportional to 259,417.44, 389,244.39 and 133,146.36 is: 199,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,417.44 : 389,244.39 = 133,146.36 : x
  2. Step 2: Convert to fraction form
    259,417.44/389,244.39 = 133,146.36/x
  3. Step 3: Cross multiply
    259,417.44x = 389,244.39 × 133,146.36
  4. Step 4: Simplify right side
    259,417.44x = 51,826,473,678.92
  5. Step 5: Solve for x
    x = 51,826,473,678.92/259,417.44
  6. Step 6: Final answer
    x = 199,780.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.