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Finding the Fourth Proportional to 288,374.66, 395,066.69 and 277,593.04

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Solution

The fourth proportional to 288,374.66, 395,066.69 and 277,593.04 is: 380,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,374.66 : 395,066.69 = 277,593.04 : x
  2. Step 2: Convert to fraction form
    288,374.66/395,066.69 = 277,593.04/x
  3. Step 3: Cross multiply
    288,374.66x = 395,066.69 × 277,593.04
  4. Step 4: Simplify right side
    288,374.66x = 109,667,763,479.84
  5. Step 5: Solve for x
    x = 109,667,763,479.84/288,374.66
  6. Step 6: Final answer
    x = 380,296.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.