Home / 229,237.02-316,348.20-143,245.94

Finding the Fourth Proportional to 229,237.02, 316,348.20 and 143,245.94

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Solution

The fourth proportional to 229,237.02, 316,348.20 and 143,245.94 is: 197,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,237.02 : 316,348.20 = 143,245.94 : x
  2. Step 2: Convert to fraction form
    229,237.02/316,348.20 = 143,245.94/x
  3. Step 3: Cross multiply
    229,237.02x = 316,348.20 × 143,245.94
  4. Step 4: Simplify right side
    229,237.02x = 45,315,593,694.57
  5. Step 5: Solve for x
    x = 45,315,593,694.57/229,237.02
  6. Step 6: Final answer
    x = 197,680.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.