Home / 376,308.47-519,298.29-212,961.96

Finding the Fourth Proportional to 376,308.47, 519,298.29 and 212,961.96

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Solution

The fourth proportional to 376,308.47, 519,298.29 and 212,961.96 is: 293,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,308.47 : 519,298.29 = 212,961.96 : x
  2. Step 2: Convert to fraction form
    376,308.47/519,298.29 = 212,961.96/x
  3. Step 3: Cross multiply
    376,308.47x = 519,298.29 × 212,961.96
  4. Step 4: Simplify right side
    376,308.47x = 110,590,781,663.05
  5. Step 5: Solve for x
    x = 110,590,781,663.05/376,308.47
  6. Step 6: Final answer
    x = 293,883.32

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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.