Home / 350,717.37-525,314.81-215,370.65

Finding the Fourth Proportional to 350,717.37, 525,314.81 and 215,370.65

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Solution

The fourth proportional to 350,717.37, 525,314.81 and 215,370.65 is: 322,588.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,717.37 : 525,314.81 = 215,370.65 : x
  2. Step 2: Convert to fraction form
    350,717.37/525,314.81 = 215,370.65/x
  3. Step 3: Cross multiply
    350,717.37x = 525,314.81 × 215,370.65
  4. Step 4: Simplify right side
    350,717.37x = 113,137,393,936.04
  5. Step 5: Solve for x
    x = 113,137,393,936.04/350,717.37
  6. Step 6: Final answer
    x = 322,588.51

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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.