Home / 371,219.22-512,282.50-201,453.34

Finding the Fourth Proportional to 371,219.22, 512,282.50 and 201,453.34

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Solution

The fourth proportional to 371,219.22, 512,282.50 and 201,453.34 is: 278,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,219.22 : 512,282.50 = 201,453.34 : x
  2. Step 2: Convert to fraction form
    371,219.22/512,282.50 = 201,453.34/x
  3. Step 3: Cross multiply
    371,219.22x = 512,282.50 × 201,453.34
  4. Step 4: Simplify right side
    371,219.22x = 103,201,020,648.55
  5. Step 5: Solve for x
    x = 103,201,020,648.55/371,219.22
  6. Step 6: Final answer
    x = 278,005.60

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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.