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Finding the Fourth Proportional to 375,781, 518,849.94 and 241,878.28

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Solution

The fourth proportional to 375,781, 518,849.94 and 241,878.28 is: 333,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,781 : 518,849.94 = 241,878.28 : x
  2. Step 2: Convert to fraction form
    375,781/518,849.94 = 241,878.28/x
  3. Step 3: Cross multiply
    375,781x = 518,849.94 × 241,878.28
  4. Step 4: Simplify right side
    375,781x = 125,498,531,065.30
  5. Step 5: Solve for x
    x = 125,498,531,065.30/375,781
  6. Step 6: Final answer
    x = 333,967.21

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1.5x scale

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.