Home / 279,444.22-385,635.41-152,119.51

Finding the Fourth Proportional to 279,444.22, 385,635.41 and 152,119.51

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Solution

The fourth proportional to 279,444.22, 385,635.41 and 152,119.51 is: 209,926.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,444.22 : 385,635.41 = 152,119.51 : x
  2. Step 2: Convert to fraction form
    279,444.22/385,635.41 = 152,119.51/x
  3. Step 3: Cross multiply
    279,444.22x = 385,635.41 × 152,119.51
  4. Step 4: Simplify right side
    279,444.22x = 58,662,669,607.85
  5. Step 5: Solve for x
    x = 58,662,669,607.85/279,444.22
  6. Step 6: Final answer
    x = 209,926.22

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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.