Home / 371,229.04-512,296.40-201,463.20

Finding the Fourth Proportional to 371,229.04, 512,296.40 and 201,463.20

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Solution

The fourth proportional to 371,229.04, 512,296.40 and 201,463.20 is: 278,019.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,229.04 : 512,296.40 = 201,463.20 : x
  2. Step 2: Convert to fraction form
    371,229.04/512,296.40 = 201,463.20/x
  3. Step 3: Cross multiply
    371,229.04x = 512,296.40 × 201,463.20
  4. Step 4: Simplify right side
    371,229.04x = 103,208,872,092.48
  5. Step 5: Solve for x
    x = 103,208,872,092.48/371,229.04
  6. Step 6: Final answer
    x = 278,019.39

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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.