Home / 612,632.06-918,991.98-163,350.57

Finding the Fourth Proportional to 612,632.06, 918,991.98 and 163,350.57

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Solution

The fourth proportional to 612,632.06, 918,991.98 and 163,350.57 is: 245,037.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,632.06 : 918,991.98 = 163,350.57 : x
  2. Step 2: Convert to fraction form
    612,632.06/918,991.98 = 163,350.57/x
  3. Step 3: Cross multiply
    612,632.06x = 918,991.98 × 163,350.57
  4. Step 4: Simplify right side
    612,632.06x = 150,117,867,204.65
  5. Step 5: Solve for x
    x = 150,117,867,204.65/612,632.06
  6. Step 6: Final answer
    x = 245,037.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.