Home / 215,512.74-297,386.28-120,028.32

Finding the Fourth Proportional to 215,512.74, 297,386.28 and 120,028.32

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Solution

The fourth proportional to 215,512.74, 297,386.28 and 120,028.32 is: 165,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,512.74 : 297,386.28 = 120,028.32 : x
  2. Step 2: Convert to fraction form
    215,512.74/297,386.28 = 120,028.32/x
  3. Step 3: Cross multiply
    215,512.74x = 297,386.28 × 120,028.32
  4. Step 4: Simplify right side
    215,512.74x = 35,694,775,579.45
  5. Step 5: Solve for x
    x = 35,694,775,579.45/215,512.74
  6. Step 6: Final answer
    x = 165,627.22

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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.