Home / 279,028.22-385,074.69-151,701.08

Finding the Fourth Proportional to 279,028.22, 385,074.69 and 151,701.08

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Solution

The fourth proportional to 279,028.22, 385,074.69 and 151,701.08 is: 209,356.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,028.22 : 385,074.69 = 151,701.08 : x
  2. Step 2: Convert to fraction form
    279,028.22/385,074.69 = 151,701.08/x
  3. Step 3: Cross multiply
    279,028.22x = 385,074.69 × 151,701.08
  4. Step 4: Simplify right side
    279,028.22x = 58,416,246,353.67
  5. Step 5: Solve for x
    x = 58,416,246,353.67/279,028.22
  6. Step 6: Final answer
    x = 209,356.05

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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.