Home / 258,722.51-356,983.20-151,271.69

Finding the Fourth Proportional to 258,722.51, 356,983.20 and 151,271.69

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Solution

The fourth proportional to 258,722.51, 356,983.20 and 151,271.69 is: 208,723.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,722.51 : 356,983.20 = 151,271.69 : x
  2. Step 2: Convert to fraction form
    258,722.51/356,983.20 = 151,271.69/x
  3. Step 3: Cross multiply
    258,722.51x = 356,983.20 × 151,271.69
  4. Step 4: Simplify right side
    258,722.51x = 54,001,450,180.69
  5. Step 5: Solve for x
    x = 54,001,450,180.69/258,722.51
  6. Step 6: Final answer
    x = 208,723.44

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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.