Home / 371,454.06-512,825.39-226,314.62

Finding the Fourth Proportional to 371,454.06, 512,825.39 and 226,314.62

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Solution

The fourth proportional to 371,454.06, 512,825.39 and 226,314.62 is: 312,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,454.06 : 512,825.39 = 226,314.62 : x
  2. Step 2: Convert to fraction form
    371,454.06/512,825.39 = 226,314.62/x
  3. Step 3: Cross multiply
    371,454.06x = 512,825.39 × 226,314.62
  4. Step 4: Simplify right side
    371,454.06x = 116,059,879,568.50
  5. Step 5: Solve for x
    x = 116,059,879,568.50/371,454.06
  6. Step 6: Final answer
    x = 312,447.47

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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.