Home / 259,334.10-389,053.56-109,574.82

Finding the Fourth Proportional to 259,334.10, 389,053.56 and 109,574.82

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Solution

The fourth proportional to 259,334.10, 389,053.56 and 109,574.82 is: 164,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,334.10 : 389,053.56 = 109,574.82 : x
  2. Step 2: Convert to fraction form
    259,334.10/389,053.56 = 109,574.82/x
  3. Step 3: Cross multiply
    259,334.10x = 389,053.56 × 109,574.82
  4. Step 4: Simplify right side
    259,334.10x = 42,630,473,807.36
  5. Step 5: Solve for x
    x = 42,630,473,807.36/259,334.10
  6. Step 6: Final answer
    x = 164,384.37

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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.