Home / 415,270.77-573,091.32-231,509.31

Finding the Fourth Proportional to 415,270.77, 573,091.32 and 231,509.31

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Solution

The fourth proportional to 415,270.77, 573,091.32 and 231,509.31 is: 319,492.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,270.77 : 573,091.32 = 231,509.31 : x
  2. Step 2: Convert to fraction form
    415,270.77/573,091.32 = 231,509.31/x
  3. Step 3: Cross multiply
    415,270.77x = 573,091.32 × 231,509.31
  4. Step 4: Simplify right side
    415,270.77x = 132,675,976,060.19
  5. Step 5: Solve for x
    x = 132,675,976,060.19/415,270.77
  6. Step 6: Final answer
    x = 319,492.69

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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.