Home / 380,655.61-525,873.42-250,141.82

Finding the Fourth Proportional to 380,655.61, 525,873.42 and 250,141.82

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Solution

The fourth proportional to 380,655.61, 525,873.42 and 250,141.82 is: 345,569.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,655.61 : 525,873.42 = 250,141.82 : x
  2. Step 2: Convert to fraction form
    380,655.61/525,873.42 = 250,141.82/x
  3. Step 3: Cross multiply
    380,655.61x = 525,873.42 × 250,141.82
  4. Step 4: Simplify right side
    380,655.61x = 131,542,935,683.11
  5. Step 5: Solve for x
    x = 131,542,935,683.11/380,655.61
  6. Step 6: Final answer
    x = 345,569.42

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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.