Home / 376,254.08-519,240.48-215,135.36

Finding the Fourth Proportional to 376,254.08, 519,240.48 and 215,135.36

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Solution

The fourth proportional to 376,254.08, 519,240.48 and 215,135.36 is: 296,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,254.08 : 519,240.48 = 215,135.36 : x
  2. Step 2: Convert to fraction form
    376,254.08/519,240.48 = 215,135.36/x
  3. Step 3: Cross multiply
    376,254.08x = 519,240.48 × 215,135.36
  4. Step 4: Simplify right side
    376,254.08x = 111,706,987,591.37
  5. Step 5: Solve for x
    x = 111,706,987,591.37/376,254.08
  6. Step 6: Final answer
    x = 296,892.43

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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.