Home / 441,355.20-662,032.80-145,867.20

Finding the Fourth Proportional to 441,355.20, 662,032.80 and 145,867.20

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Solution

The fourth proportional to 441,355.20, 662,032.80 and 145,867.20 is: 218,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,355.20 : 662,032.80 = 145,867.20 : x
  2. Step 2: Convert to fraction form
    441,355.20/662,032.80 = 145,867.20/x
  3. Step 3: Cross multiply
    441,355.20x = 662,032.80 × 145,867.20
  4. Step 4: Simplify right side
    441,355.20x = 96,568,870,844.16
  5. Step 5: Solve for x
    x = 96,568,870,844.16/441,355.20
  6. Step 6: Final answer
    x = 218,800.80

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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.