Home / 270,222.63-372,869.12-153,939.16

Finding the Fourth Proportional to 270,222.63, 372,869.12 and 153,939.16

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Solution

The fourth proportional to 270,222.63, 372,869.12 and 153,939.16 is: 212,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,222.63 : 372,869.12 = 153,939.16 : x
  2. Step 2: Convert to fraction form
    270,222.63/372,869.12 = 153,939.16/x
  3. Step 3: Cross multiply
    270,222.63x = 372,869.12 × 153,939.16
  4. Step 4: Simplify right side
    270,222.63x = 57,399,158,924.98
  5. Step 5: Solve for x
    x = 57,399,158,924.98/270,222.63
  6. Step 6: Final answer
    x = 212,414.33

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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.