Home / 304,739.22-420,528.51-166,915.95

Finding the Fourth Proportional to 304,739.22, 420,528.51 and 166,915.95

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Solution

The fourth proportional to 304,739.22, 420,528.51 and 166,915.95 is: 230,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,739.22 : 420,528.51 = 166,915.95 : x
  2. Step 2: Convert to fraction form
    304,739.22/420,528.51 = 166,915.95/x
  3. Step 3: Cross multiply
    304,739.22x = 420,528.51 × 166,915.95
  4. Step 4: Simplify right side
    304,739.22x = 70,192,915,748.73
  5. Step 5: Solve for x
    x = 70,192,915,748.73/304,739.22
  6. Step 6: Final answer
    x = 230,337.65

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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.