Home / 415,619.75-573,543.79-234,330.10

Finding the Fourth Proportional to 415,619.75, 573,543.79 and 234,330.10

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Solution

The fourth proportional to 415,619.75, 573,543.79 and 234,330.10 is: 323,369.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,619.75 : 573,543.79 = 234,330.10 : x
  2. Step 2: Convert to fraction form
    415,619.75/573,543.79 = 234,330.10/x
  3. Step 3: Cross multiply
    415,619.75x = 573,543.79 × 234,330.10
  4. Step 4: Simplify right side
    415,619.75x = 134,398,571,645.39
  5. Step 5: Solve for x
    x = 134,398,571,645.39/415,619.75
  6. Step 6: Final answer
    x = 323,369.07

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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.