Home / 258,531.65-356,657.07-151,053.36

Finding the Fourth Proportional to 258,531.65, 356,657.07 and 151,053.36

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Solution

The fourth proportional to 258,531.65, 356,657.07 and 151,053.36 is: 208,385.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,531.65 : 356,657.07 = 151,053.36 : x
  2. Step 2: Convert to fraction form
    258,531.65/356,657.07 = 151,053.36/x
  3. Step 3: Cross multiply
    258,531.65x = 356,657.07 × 151,053.36
  4. Step 4: Simplify right side
    258,531.65x = 53,874,248,791.26
  5. Step 5: Solve for x
    x = 53,874,248,791.26/258,531.65
  6. Step 6: Final answer
    x = 208,385.51

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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.