Home / 465,176.71-642,013.27-283,993.66

Finding the Fourth Proportional to 465,176.71, 642,013.27 and 283,993.66

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Solution

The fourth proportional to 465,176.71, 642,013.27 and 283,993.66 is: 391,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,176.71 : 642,013.27 = 283,993.66 : x
  2. Step 2: Convert to fraction form
    465,176.71/642,013.27 = 283,993.66/x
  3. Step 3: Cross multiply
    465,176.71x = 642,013.27 × 283,993.66
  4. Step 4: Simplify right side
    465,176.71x = 182,327,700,005.87
  5. Step 5: Solve for x
    x = 182,327,700,005.87/465,176.71
  6. Step 6: Final answer
    x = 391,953.63

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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.