Home / 371,250.28-512,327.46-210,105.64

Finding the Fourth Proportional to 371,250.28, 512,327.46 and 210,105.64

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Solution

The fourth proportional to 371,250.28, 512,327.46 and 210,105.64 is: 289,946.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,250.28 : 512,327.46 = 210,105.64 : x
  2. Step 2: Convert to fraction form
    371,250.28/512,327.46 = 210,105.64/x
  3. Step 3: Cross multiply
    371,250.28x = 512,327.46 × 210,105.64
  4. Step 4: Simplify right side
    371,250.28x = 107,642,888,872.87
  5. Step 5: Solve for x
    x = 107,642,888,872.87/371,250.28
  6. Step 6: Final answer
    x = 289,946.96

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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.