Home / 376,212.43-564,307.71-109,979.20

Finding the Fourth Proportional to 376,212.43, 564,307.71 and 109,979.20

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Solution

The fourth proportional to 376,212.43, 564,307.71 and 109,979.20 is: 164,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,212.43 : 564,307.71 = 109,979.20 : x
  2. Step 2: Convert to fraction form
    376,212.43/564,307.71 = 109,979.20/x
  3. Step 3: Cross multiply
    376,212.43x = 564,307.71 × 109,979.20
  4. Step 4: Simplify right side
    376,212.43x = 62,062,110,499.63
  5. Step 5: Solve for x
    x = 62,062,110,499.63/376,212.43
  6. Step 6: Final answer
    x = 164,965.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.