Home / 314,736.20-472,104.30-146,256.20

Finding the Fourth Proportional to 314,736.20, 472,104.30 and 146,256.20

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Solution

The fourth proportional to 314,736.20, 472,104.30 and 146,256.20 is: 219,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,736.20 : 472,104.30 = 146,256.20 : x
  2. Step 2: Convert to fraction form
    314,736.20/472,104.30 = 146,256.20/x
  3. Step 3: Cross multiply
    314,736.20x = 472,104.30 × 146,256.20
  4. Step 4: Simplify right side
    314,736.20x = 69,048,180,921.66
  5. Step 5: Solve for x
    x = 69,048,180,921.66/314,736.20
  6. Step 6: Final answer
    x = 219,384.30

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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.