Home / 285,117.07-393,559.91-164,306.50

Finding the Fourth Proportional to 285,117.07, 393,559.91 and 164,306.50

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Solution

The fourth proportional to 285,117.07, 393,559.91 and 164,306.50 is: 226,799.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,117.07 : 393,559.91 = 164,306.50 : x
  2. Step 2: Convert to fraction form
    285,117.07/393,559.91 = 164,306.50/x
  3. Step 3: Cross multiply
    285,117.07x = 393,559.91 × 164,306.50
  4. Step 4: Simplify right side
    285,117.07x = 64,664,450,530.88
  5. Step 5: Solve for x
    x = 64,664,450,530.88/285,117.07
  6. Step 6: Final answer
    x = 226,799.65

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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.