Home / 315,014.20-472,521.30-236,282.20

Finding the Fourth Proportional to 315,014.20, 472,521.30 and 236,282.20

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Solution

The fourth proportional to 315,014.20, 472,521.30 and 236,282.20 is: 354,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,014.20 : 472,521.30 = 236,282.20 : x
  2. Step 2: Convert to fraction form
    315,014.20/472,521.30 = 236,282.20/x
  3. Step 3: Cross multiply
    315,014.20x = 472,521.30 × 236,282.20
  4. Step 4: Simplify right side
    315,014.20x = 111,648,372,310.86
  5. Step 5: Solve for x
    x = 111,648,372,310.86/315,014.20
  6. Step 6: Final answer
    x = 354,423.30

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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.