Home / 371,219.10-512,282.34-201,453.22

Finding the Fourth Proportional to 371,219.10, 512,282.34 and 201,453.22

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Solution

The fourth proportional to 371,219.10, 512,282.34 and 201,453.22 is: 278,005.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,219.10 : 512,282.34 = 201,453.22 : x
  2. Step 2: Convert to fraction form
    371,219.10/512,282.34 = 201,453.22/x
  3. Step 3: Cross multiply
    371,219.10x = 512,282.34 × 201,453.22
  4. Step 4: Simplify right side
    371,219.10x = 103,200,926,942.14
  5. Step 5: Solve for x
    x = 103,200,926,942.14/371,219.10
  6. Step 6: Final answer
    x = 278,005.43

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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.