Home / 258,510.09-356,743.93-151,170.31

Finding the Fourth Proportional to 258,510.09, 356,743.93 and 151,170.31

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Solution

The fourth proportional to 258,510.09, 356,743.93 and 151,170.31 is: 208,615.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,510.09 : 356,743.93 = 151,170.31 : x
  2. Step 2: Convert to fraction form
    258,510.09/356,743.93 = 151,170.31/x
  3. Step 3: Cross multiply
    258,510.09x = 356,743.93 × 151,170.31
  4. Step 4: Simplify right side
    258,510.09x = 53,929,090,840.17
  5. Step 5: Solve for x
    x = 53,929,090,840.17/258,510.09
  6. Step 6: Final answer
    x = 208,615.03

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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.