Home / 231,888.25-347,379.38-159,828.36

Finding the Fourth Proportional to 231,888.25, 347,379.38 and 159,828.36

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Solution

The fourth proportional to 231,888.25, 347,379.38 and 159,828.36 is: 239,430.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,888.25 : 347,379.38 = 159,828.36 : x
  2. Step 2: Convert to fraction form
    231,888.25/347,379.38 = 159,828.36/x
  3. Step 3: Cross multiply
    231,888.25x = 347,379.38 × 159,828.36
  4. Step 4: Simplify right side
    231,888.25x = 55,521,075,100.76
  5. Step 5: Solve for x
    x = 55,521,075,100.76/231,888.25
  6. Step 6: Final answer
    x = 239,430.31

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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.