Home / 380,669.52-525,301.30-208,553.23

Finding the Fourth Proportional to 380,669.52, 525,301.30 and 208,553.23

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Solution

The fourth proportional to 380,669.52, 525,301.30 and 208,553.23 is: 287,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,669.52 : 525,301.30 = 208,553.23 : x
  2. Step 2: Convert to fraction form
    380,669.52/525,301.30 = 208,553.23/x
  3. Step 3: Cross multiply
    380,669.52x = 525,301.30 × 208,553.23
  4. Step 4: Simplify right side
    380,669.52x = 109,553,283,755.52
  5. Step 5: Solve for x
    x = 109,553,283,755.52/380,669.52
  6. Step 6: Final answer
    x = 287,791.05

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1.5x scale

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.