Home / 348,076.40-521,531.40-297,921.20

Finding the Fourth Proportional to 348,076.40, 521,531.40 and 297,921.20

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Solution

The fourth proportional to 348,076.40, 521,531.40 and 297,921.20 is: 446,382.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,076.40 : 521,531.40 = 297,921.20 : x
  2. Step 2: Convert to fraction form
    348,076.40/521,531.40 = 297,921.20/x
  3. Step 3: Cross multiply
    348,076.40x = 521,531.40 × 297,921.20
  4. Step 4: Simplify right side
    348,076.40x = 155,375,260,525.68
  5. Step 5: Solve for x
    x = 155,375,260,525.68/348,076.40
  6. Step 6: Final answer
    x = 446,382.63

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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.