Home / 325,133.22-487,746.40-100,513.20

Finding the Fourth Proportional to 325,133.22, 487,746.40 and 100,513.20

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Solution

The fourth proportional to 325,133.22, 487,746.40 and 100,513.20 is: 150,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,133.22 : 487,746.40 = 100,513.20 : x
  2. Step 2: Convert to fraction form
    325,133.22/487,746.40 = 100,513.20/x
  3. Step 3: Cross multiply
    325,133.22x = 487,746.40 × 100,513.20
  4. Step 4: Simplify right side
    325,133.22x = 49,024,951,452.48
  5. Step 5: Solve for x
    x = 49,024,951,452.48/325,133.22
  6. Step 6: Final answer
    x = 150,784.20

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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.