Home / 301,052.28-451,578.48-90,690.24

Finding the Fourth Proportional to 301,052.28, 451,578.48 and 90,690.24

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Solution

The fourth proportional to 301,052.28, 451,578.48 and 90,690.24 is: 136,035.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,052.28 : 451,578.48 = 90,690.24 : x
  2. Step 2: Convert to fraction form
    301,052.28/451,578.48 = 90,690.24/x
  3. Step 3: Cross multiply
    301,052.28x = 451,578.48 × 90,690.24
  4. Step 4: Simplify right side
    301,052.28x = 40,953,760,730.04
  5. Step 5: Solve for x
    x = 40,953,760,730.04/301,052.28
  6. Step 6: Final answer
    x = 136,035.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.