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Finding the Fourth Proportional to 358,824, 495,199.86 and 197,679.36

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Solution

The fourth proportional to 358,824, 495,199.86 and 197,679.36 is: 272,810.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,824 : 495,199.86 = 197,679.36 : x
  2. Step 2: Convert to fraction form
    358,824/495,199.86 = 197,679.36/x
  3. Step 3: Cross multiply
    358,824x = 495,199.86 × 197,679.36
  4. Step 4: Simplify right side
    358,824x = 97,890,791,396.89
  5. Step 5: Solve for x
    x = 97,890,791,396.89/358,824
  6. Step 6: Final answer
    x = 272,810.04

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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.