Home / 372,032.09-557,605.27-259,100.88

Finding the Fourth Proportional to 372,032.09, 557,605.27 and 259,100.88

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Solution

The fourth proportional to 372,032.09, 557,605.27 and 259,100.88 is: 388,342.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,032.09 : 557,605.27 = 259,100.88 : x
  2. Step 2: Convert to fraction form
    372,032.09/557,605.27 = 259,100.88/x
  3. Step 3: Cross multiply
    372,032.09x = 557,605.27 × 259,100.88
  4. Step 4: Simplify right side
    372,032.09x = 144,476,012,925.05
  5. Step 5: Solve for x
    x = 144,476,012,925.05/372,032.09
  6. Step 6: Final answer
    x = 388,342.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.