Home / 290,375.16-400,707.36-163,056.12

Finding the Fourth Proportional to 290,375.16, 400,707.36 and 163,056.12

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Solution

The fourth proportional to 290,375.16, 400,707.36 and 163,056.12 is: 225,011.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,375.16 : 400,707.36 = 163,056.12 : x
  2. Step 2: Convert to fraction form
    290,375.16/400,707.36 = 163,056.12/x
  3. Step 3: Cross multiply
    290,375.16x = 400,707.36 × 163,056.12
  4. Step 4: Simplify right side
    290,375.16x = 65,337,787,377.04
  5. Step 5: Solve for x
    x = 65,337,787,377.04/290,375.16
  6. Step 6: Final answer
    x = 225,011.63

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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.