Home / 559,391.31-839,107.75-180,317.51

Finding the Fourth Proportional to 559,391.31, 839,107.75 and 180,317.51

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Solution

The fourth proportional to 559,391.31, 839,107.75 and 180,317.51 is: 270,482.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,391.31 : 839,107.75 = 180,317.51 : x
  2. Step 2: Convert to fraction form
    559,391.31/839,107.75 = 180,317.51/x
  3. Step 3: Cross multiply
    559,391.31x = 839,107.75 × 180,317.51
  4. Step 4: Simplify right side
    559,391.31x = 151,305,823,660.10
  5. Step 5: Solve for x
    x = 151,305,823,660.10/559,391.31
  6. Step 6: Final answer
    x = 270,482.97

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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.