Home / 659,525.09-989,359.33-210,140.33

Finding the Fourth Proportional to 659,525.09, 989,359.33 and 210,140.33

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Solution

The fourth proportional to 659,525.09, 989,359.33 and 210,140.33 is: 315,233.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,525.09 : 989,359.33 = 210,140.33 : x
  2. Step 2: Convert to fraction form
    659,525.09/989,359.33 = 210,140.33/x
  3. Step 3: Cross multiply
    659,525.09x = 989,359.33 × 210,140.33
  4. Step 4: Simplify right side
    659,525.09x = 207,904,298,042.83
  5. Step 5: Solve for x
    x = 207,904,298,042.83/659,525.09
  6. Step 6: Final answer
    x = 315,233.34

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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.