Home / 376,157.07-519,096.71-215,015.58

Finding the Fourth Proportional to 376,157.07, 519,096.71 and 215,015.58

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Solution

The fourth proportional to 376,157.07, 519,096.71 and 215,015.58 is: 296,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,157.07 : 519,096.71 = 215,015.58 : x
  2. Step 2: Convert to fraction form
    376,157.07/519,096.71 = 215,015.58/x
  3. Step 3: Cross multiply
    376,157.07x = 519,096.71 × 215,015.58
  4. Step 4: Simplify right side
    376,157.07x = 111,613,879,101.66
  5. Step 5: Solve for x
    x = 111,613,879,101.66/376,157.07
  6. Step 6: Final answer
    x = 296,721.47

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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.