Home / 291,320.16-402,015.62-162,258.23

Finding the Fourth Proportional to 291,320.16, 402,015.62 and 162,258.23

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Solution

The fourth proportional to 291,320.16, 402,015.62 and 162,258.23 is: 223,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,320.16 : 402,015.62 = 162,258.23 : x
  2. Step 2: Convert to fraction form
    291,320.16/402,015.62 = 162,258.23/x
  3. Step 3: Cross multiply
    291,320.16x = 402,015.62 × 162,258.23
  4. Step 4: Simplify right side
    291,320.16x = 65,230,342,933.55
  5. Step 5: Solve for x
    x = 65,230,342,933.55/291,320.16
  6. Step 6: Final answer
    x = 223,912.90

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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.