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Finding the Fourth Proportional to 366,881.08, 506,301.42 and 213,915.10

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Solution

The fourth proportional to 366,881.08, 506,301.42 and 213,915.10 is: 295,206.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,881.08 : 506,301.42 = 213,915.10 : x
  2. Step 2: Convert to fraction form
    366,881.08/506,301.42 = 213,915.10/x
  3. Step 3: Cross multiply
    366,881.08x = 506,301.42 × 213,915.10
  4. Step 4: Simplify right side
    366,881.08x = 108,305,518,889.44
  5. Step 5: Solve for x
    x = 108,305,518,889.44/366,881.08
  6. Step 6: Final answer
    x = 295,206.06

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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.