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Finding the Fourth Proportional to 304,675.26, 420,225.30 and 197,162.34

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Solution

The fourth proportional to 304,675.26, 420,225.30 and 197,162.34 is: 271,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,675.26 : 420,225.30 = 197,162.34 : x
  2. Step 2: Convert to fraction form
    304,675.26/420,225.30 = 197,162.34/x
  3. Step 3: Cross multiply
    304,675.26x = 420,225.30 × 197,162.34
  4. Step 4: Simplify right side
    304,675.26x = 82,852,603,475.20
  5. Step 5: Solve for x
    x = 82,852,603,475.20/304,675.26
  6. Step 6: Final answer
    x = 271,937.42

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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.