Home / 315,332.20-472,076.70-306,116.20

Finding the Fourth Proportional to 315,332.20, 472,076.70 and 306,116.20

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Solution

The fourth proportional to 315,332.20, 472,076.70 and 306,116.20 is: 458,279.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,332.20 : 472,076.70 = 306,116.20 : x
  2. Step 2: Convert to fraction form
    315,332.20/472,076.70 = 306,116.20/x
  3. Step 3: Cross multiply
    315,332.20x = 472,076.70 × 306,116.20
  4. Step 4: Simplify right side
    315,332.20x = 144,510,325,512.54
  5. Step 5: Solve for x
    x = 144,510,325,512.54/315,332.20
  6. Step 6: Final answer
    x = 458,279.63

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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.