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Finding the Fourth Proportional to 358,852.72, 495,214.38 and 197,704

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Solution

The fourth proportional to 358,852.72, 495,214.38 and 197,704 is: 272,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,852.72 : 495,214.38 = 197,704 : x
  2. Step 2: Convert to fraction form
    358,852.72/495,214.38 = 197,704/x
  3. Step 3: Cross multiply
    358,852.72x = 495,214.38 × 197,704
  4. Step 4: Simplify right side
    358,852.72x = 97,905,863,783.52
  5. Step 5: Solve for x
    x = 97,905,863,783.52/358,852.72
  6. Step 6: Final answer
    x = 272,830.21

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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.