Home / 306,942.72-423,524.82-170,973.20

Finding the Fourth Proportional to 306,942.72, 423,524.82 and 170,973.20

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Solution

The fourth proportional to 306,942.72, 423,524.82 and 170,973.20 is: 235,911.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,942.72 : 423,524.82 = 170,973.20 : x
  2. Step 2: Convert to fraction form
    306,942.72/423,524.82 = 170,973.20/x
  3. Step 3: Cross multiply
    306,942.72x = 423,524.82 × 170,973.20
  4. Step 4: Simplify right side
    306,942.72x = 72,411,393,754.82
  5. Step 5: Solve for x
    x = 72,411,393,754.82/306,942.72
  6. Step 6: Final answer
    x = 235,911.75

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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.