Home / 379,822.12-524,163.66-207,756.25

Finding the Fourth Proportional to 379,822.12, 524,163.66 and 207,756.25

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Solution

The fourth proportional to 379,822.12, 524,163.66 and 207,756.25 is: 286,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,822.12 : 524,163.66 = 207,756.25 : x
  2. Step 2: Convert to fraction form
    379,822.12/524,163.66 = 207,756.25/x
  3. Step 3: Cross multiply
    379,822.12x = 524,163.66 × 207,756.25
  4. Step 4: Simplify right side
    379,822.12x = 108,898,276,387.88
  5. Step 5: Solve for x
    x = 108,898,276,387.88/379,822.12
  6. Step 6: Final answer
    x = 286,708.62

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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.