Home / 270,229.23-372,953.38-155,505.52

Finding the Fourth Proportional to 270,229.23, 372,953.38 and 155,505.52

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Solution

The fourth proportional to 270,229.23, 372,953.38 and 155,505.52 is: 214,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,229.23 : 372,953.38 = 155,505.52 : x
  2. Step 2: Convert to fraction form
    270,229.23/372,953.38 = 155,505.52/x
  3. Step 3: Cross multiply
    270,229.23x = 372,953.38 × 155,505.52
  4. Step 4: Simplify right side
    270,229.23x = 57,996,307,427.89
  5. Step 5: Solve for x
    x = 57,996,307,427.89/270,229.23
  6. Step 6: Final answer
    x = 214,618.93

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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.