Home / 315,211.03-435,003.42-179,257.39

Finding the Fourth Proportional to 315,211.03, 435,003.42 and 179,257.39

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Solution

The fourth proportional to 315,211.03, 435,003.42 and 179,257.39 is: 247,382.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,211.03 : 435,003.42 = 179,257.39 : x
  2. Step 2: Convert to fraction form
    315,211.03/435,003.42 = 179,257.39/x
  3. Step 3: Cross multiply
    315,211.03x = 435,003.42 × 179,257.39
  4. Step 4: Simplify right side
    315,211.03x = 77,977,577,710.27
  5. Step 5: Solve for x
    x = 77,977,577,710.27/315,211.03
  6. Step 6: Final answer
    x = 247,382.14

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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.