Home / 402,122.08-554,906.82-230,043.46

Finding the Fourth Proportional to 402,122.08, 554,906.82 and 230,043.46

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Solution

The fourth proportional to 402,122.08, 554,906.82 and 230,043.46 is: 317,447.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,122.08 : 554,906.82 = 230,043.46 : x
  2. Step 2: Convert to fraction form
    402,122.08/554,906.82 = 230,043.46/x
  3. Step 3: Cross multiply
    402,122.08x = 554,906.82 × 230,043.46
  4. Step 4: Simplify right side
    402,122.08x = 127,652,684,850.40
  5. Step 5: Solve for x
    x = 127,652,684,850.40/402,122.08
  6. Step 6: Final answer
    x = 317,447.59

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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.