Home / 209,080.45-313,632.59-59,309.02

Finding the Fourth Proportional to 209,080.45, 313,632.59 and 59,309.02

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Solution

The fourth proportional to 209,080.45, 313,632.59 and 59,309.02 is: 88,966.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,080.45 : 313,632.59 = 59,309.02 : x
  2. Step 2: Convert to fraction form
    209,080.45/313,632.59 = 59,309.02/x
  3. Step 3: Cross multiply
    209,080.45x = 313,632.59 × 59,309.02
  4. Step 4: Simplify right side
    209,080.45x = 18,601,241,552.96
  5. Step 5: Solve for x
    x = 18,601,241,552.96/209,080.45
  6. Step 6: Final answer
    x = 88,966.91

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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.