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Finding the Fourth Proportional to 464,229.18, 640,750.23 and 283,041

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Solution

The fourth proportional to 464,229.18, 640,750.23 and 283,041 is: 390,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,229.18 : 640,750.23 = 283,041 : x
  2. Step 2: Convert to fraction form
    464,229.18/640,750.23 = 283,041/x
  3. Step 3: Cross multiply
    464,229.18x = 640,750.23 × 283,041
  4. Step 4: Simplify right side
    464,229.18x = 181,358,585,849.43
  5. Step 5: Solve for x
    x = 181,358,585,849.43/464,229.18
  6. Step 6: Final answer
    x = 390,666.06

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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.