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Finding the Fourth Proportional to 375,846.89, 564,065.57 and 207,483.42

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Solution

The fourth proportional to 375,846.89, 564,065.57 and 207,483.42 is: 311,388.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,846.89 : 564,065.57 = 207,483.42 : x
  2. Step 2: Convert to fraction form
    375,846.89/564,065.57 = 207,483.42/x
  3. Step 3: Cross multiply
    375,846.89x = 564,065.57 × 207,483.42
  4. Step 4: Simplify right side
    375,846.89x = 117,034,256,201.80
  5. Step 5: Solve for x
    x = 117,034,256,201.80/375,846.89
  6. Step 6: Final answer
    x = 311,388.12

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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.