Home / 299,837.95-413,775.38-163,871.86

Finding the Fourth Proportional to 299,837.95, 413,775.38 and 163,871.86

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Solution

The fourth proportional to 299,837.95, 413,775.38 and 163,871.86 is: 226,142.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,837.95 : 413,775.38 = 163,871.86 : x
  2. Step 2: Convert to fraction form
    299,837.95/413,775.38 = 163,871.86/x
  3. Step 3: Cross multiply
    299,837.95x = 413,775.38 × 163,871.86
  4. Step 4: Simplify right side
    299,837.95x = 67,806,143,152.79
  5. Step 5: Solve for x
    x = 67,806,143,152.79/299,837.95
  6. Step 6: Final answer
    x = 226,142.63

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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.