Home / 380,827.06-525,780.33-245,096.86

Finding the Fourth Proportional to 380,827.06, 525,780.33 and 245,096.86

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Solution

The fourth proportional to 380,827.06, 525,780.33 and 245,096.86 is: 338,387.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,827.06 : 525,780.33 = 245,096.86 : x
  2. Step 2: Convert to fraction form
    380,827.06/525,780.33 = 245,096.86/x
  3. Step 3: Cross multiply
    380,827.06x = 525,780.33 × 245,096.86
  4. Step 4: Simplify right side
    380,827.06x = 128,867,107,932.76
  5. Step 5: Solve for x
    x = 128,867,107,932.76/380,827.06
  6. Step 6: Final answer
    x = 338,387.48

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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.