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Finding the Fourth Proportional to 210,229.80, 314,730.30 and 204,085.80

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Solution

The fourth proportional to 210,229.80, 314,730.30 and 204,085.80 is: 305,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,229.80 : 314,730.30 = 204,085.80 : x
  2. Step 2: Convert to fraction form
    210,229.80/314,730.30 = 204,085.80/x
  3. Step 3: Cross multiply
    210,229.80x = 314,730.30 × 204,085.80
  4. Step 4: Simplify right side
    210,229.80x = 64,231,985,059.74
  5. Step 5: Solve for x
    x = 64,231,985,059.74/210,229.80
  6. Step 6: Final answer
    x = 305,532.26

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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.