Home / 376,389.60-519,418.15-204,307.45

Finding the Fourth Proportional to 376,389.60, 519,418.15 and 204,307.45

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Solution

The fourth proportional to 376,389.60, 519,418.15 and 204,307.45 is: 281,944.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,389.60 : 519,418.15 = 204,307.45 : x
  2. Step 2: Convert to fraction form
    376,389.60/519,418.15 = 204,307.45/x
  3. Step 3: Cross multiply
    376,389.60x = 519,418.15 × 204,307.45
  4. Step 4: Simplify right side
    376,389.60x = 106,120,997,710.22
  5. Step 5: Solve for x
    x = 106,120,997,710.22/376,389.60
  6. Step 6: Final answer
    x = 281,944.55

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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.