Home / 245,426.11-338,713.63-149,996.36

Finding the Fourth Proportional to 245,426.11, 338,713.63 and 149,996.36

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Solution

The fourth proportional to 245,426.11, 338,713.63 and 149,996.36 is: 207,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,426.11 : 338,713.63 = 149,996.36 : x
  2. Step 2: Convert to fraction form
    245,426.11/338,713.63 = 149,996.36/x
  3. Step 3: Cross multiply
    245,426.11x = 338,713.63 × 149,996.36
  4. Step 4: Simplify right side
    245,426.11x = 50,805,812,054.18
  5. Step 5: Solve for x
    x = 50,805,812,054.18/245,426.11
  6. Step 6: Final answer
    x = 207,010.63

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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.