Home / 376,388.13-519,401.63-204,302.42

Finding the Fourth Proportional to 376,388.13, 519,401.63 and 204,302.42

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Solution

The fourth proportional to 376,388.13, 519,401.63 and 204,302.42 is: 281,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,388.13 : 519,401.63 = 204,302.42 : x
  2. Step 2: Convert to fraction form
    376,388.13/519,401.63 = 204,302.42/x
  3. Step 3: Cross multiply
    376,388.13x = 519,401.63 × 204,302.42
  4. Step 4: Simplify right side
    376,388.13x = 106,115,009,822.45
  5. Step 5: Solve for x
    x = 106,115,009,822.45/376,388.13
  6. Step 6: Final answer
    x = 281,929.74

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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.