Home / 343,694.06-474,617-221,399.08

Finding the Fourth Proportional to 343,694.06, 474,617 and 221,399.08

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Solution

The fourth proportional to 343,694.06, 474,617 and 221,399.08 is: 305,736.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,694.06 : 474,617 = 221,399.08 : x
  2. Step 2: Convert to fraction form
    343,694.06/474,617 = 221,399.08/x
  3. Step 3: Cross multiply
    343,694.06x = 474,617 × 221,399.08
  4. Step 4: Simplify right side
    343,694.06x = 105,079,767,152.36
  5. Step 5: Solve for x
    x = 105,079,767,152.36/343,694.06
  6. Step 6: Final answer
    x = 305,736.35

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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.