Home / 315,924.04-435,976.05-188,596.90

Finding the Fourth Proportional to 315,924.04, 435,976.05 and 188,596.90

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Solution

The fourth proportional to 315,924.04, 435,976.05 and 188,596.90 is: 260,264.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,924.04 : 435,976.05 = 188,596.90 : x
  2. Step 2: Convert to fraction form
    315,924.04/435,976.05 = 188,596.90/x
  3. Step 3: Cross multiply
    315,924.04x = 435,976.05 × 188,596.90
  4. Step 4: Simplify right side
    315,924.04x = 82,223,731,504.25
  5. Step 5: Solve for x
    x = 82,223,731,504.25/315,924.04
  6. Step 6: Final answer
    x = 260,264.24

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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.