Home / 315,008.20-472,512.30-236,276.20

Finding the Fourth Proportional to 315,008.20, 472,512.30 and 236,276.20

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Solution

The fourth proportional to 315,008.20, 472,512.30 and 236,276.20 is: 354,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,008.20 : 472,512.30 = 236,276.20 : x
  2. Step 2: Convert to fraction form
    315,008.20/472,512.30 = 236,276.20/x
  3. Step 3: Cross multiply
    315,008.20x = 472,512.30 × 236,276.20
  4. Step 4: Simplify right side
    315,008.20x = 111,643,410,697.26
  5. Step 5: Solve for x
    x = 111,643,410,697.26/315,008.20
  6. Step 6: Final answer
    x = 354,414.30

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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.