Home / 279,374.06-385,536.21-152,050.57

Finding the Fourth Proportional to 279,374.06, 385,536.21 and 152,050.57

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Solution

The fourth proportional to 279,374.06, 385,536.21 and 152,050.57 is: 209,829.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,374.06 : 385,536.21 = 152,050.57 : x
  2. Step 2: Convert to fraction form
    279,374.06/385,536.21 = 152,050.57/x
  3. Step 3: Cross multiply
    279,374.06x = 385,536.21 × 152,050.57
  4. Step 4: Simplify right side
    279,374.06x = 58,620,998,952.11
  5. Step 5: Solve for x
    x = 58,620,998,952.11/279,374.06
  6. Step 6: Final answer
    x = 209,829.78

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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.