Home / 315,922.23-435,975.63-179,954.22

Finding the Fourth Proportional to 315,922.23, 435,975.63 and 179,954.22

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Solution

The fourth proportional to 315,922.23, 435,975.63 and 179,954.22 is: 248,338.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,922.23 : 435,975.63 = 179,954.22 : x
  2. Step 2: Convert to fraction form
    315,922.23/435,975.63 = 179,954.22/x
  3. Step 3: Cross multiply
    315,922.23x = 435,975.63 × 179,954.22
  4. Step 4: Simplify right side
    315,922.23x = 78,455,654,378.91
  5. Step 5: Solve for x
    x = 78,455,654,378.91/315,922.23
  6. Step 6: Final answer
    x = 248,338.50

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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.