Home / 279,282.60-385,403.76-151,958.52

Finding the Fourth Proportional to 279,282.60, 385,403.76 and 151,958.52

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Solution

The fourth proportional to 279,282.60, 385,403.76 and 151,958.52 is: 209,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,282.60 : 385,403.76 = 151,958.52 : x
  2. Step 2: Convert to fraction form
    279,282.60/385,403.76 = 151,958.52/x
  3. Step 3: Cross multiply
    279,282.60x = 385,403.76 × 151,958.52
  4. Step 4: Simplify right side
    279,282.60x = 58,565,384,972.04
  5. Step 5: Solve for x
    x = 58,565,384,972.04/279,282.60
  6. Step 6: Final answer
    x = 209,699.37

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1.5x scale

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.