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Finding the Fourth Proportional to 371,614.82, 512,985.30 and 250,919.42

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Solution

The fourth proportional to 371,614.82, 512,985.30 and 250,919.42 is: 346,374.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,614.82 : 512,985.30 = 250,919.42 : x
  2. Step 2: Convert to fraction form
    371,614.82/512,985.30 = 250,919.42/x
  3. Step 3: Cross multiply
    371,614.82x = 512,985.30 × 250,919.42
  4. Step 4: Simplify right side
    371,614.82x = 128,717,973,944.53
  5. Step 5: Solve for x
    x = 128,717,973,944.53/371,614.82
  6. Step 6: Final answer
    x = 346,374.71

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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.