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Finding the Fourth Proportional to 375,401.93, 518,063.02 and 214,253.73

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Solution

The fourth proportional to 375,401.93, 518,063.02 and 214,253.73 is: 295,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,401.93 : 518,063.02 = 214,253.73 : x
  2. Step 2: Convert to fraction form
    375,401.93/518,063.02 = 214,253.73/x
  3. Step 3: Cross multiply
    375,401.93x = 518,063.02 × 214,253.73
  4. Step 4: Simplify right side
    375,401.93x = 110,996,933,874.43
  5. Step 5: Solve for x
    x = 110,996,933,874.43/375,401.93
  6. Step 6: Final answer
    x = 295,674.92

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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.