Home / 380,402.22-525,124.67-251,418.43

Finding the Fourth Proportional to 380,402.22, 525,124.67 and 251,418.43

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Solution

The fourth proportional to 380,402.22, 525,124.67 and 251,418.43 is: 347,069.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,402.22 : 525,124.67 = 251,418.43 : x
  2. Step 2: Convert to fraction form
    380,402.22/525,124.67 = 251,418.43/x
  3. Step 3: Cross multiply
    380,402.22x = 525,124.67 × 251,418.43
  4. Step 4: Simplify right side
    380,402.22x = 132,026,020,899.21
  5. Step 5: Solve for x
    x = 132,026,020,899.21/380,402.22
  6. Step 6: Final answer
    x = 347,069.53

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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.