Home / 380,845.26-525,565.80-208,763.10

Finding the Fourth Proportional to 380,845.26, 525,565.80 and 208,763.10

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Solution

The fourth proportional to 380,845.26, 525,565.80 and 208,763.10 is: 288,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,845.26 : 525,565.80 = 208,763.10 : x
  2. Step 2: Convert to fraction form
    380,845.26/525,565.80 = 208,763.10/x
  3. Step 3: Cross multiply
    380,845.26x = 525,565.80 × 208,763.10
  4. Step 4: Simplify right side
    380,845.26x = 109,718,745,661.98
  5. Step 5: Solve for x
    x = 109,718,745,661.98/380,845.26
  6. Step 6: Final answer
    x = 288,092.72

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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.