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Finding the Fourth Proportional to 304,673.27, 420,222.53 and 197,160.35

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Solution

The fourth proportional to 304,673.27, 420,222.53 and 197,160.35 is: 271,934.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,673.27 : 420,222.53 = 197,160.35 : x
  2. Step 2: Convert to fraction form
    304,673.27/420,222.53 = 197,160.35/x
  3. Step 3: Cross multiply
    304,673.27x = 420,222.53 × 197,160.35
  4. Step 4: Simplify right side
    304,673.27x = 82,851,219,484.47
  5. Step 5: Solve for x
    x = 82,851,219,484.47/304,673.27
  6. Step 6: Final answer
    x = 271,934.66

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1.5x scale

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.