Home / 487,733.49-731,524.77-188,170.38

Finding the Fourth Proportional to 487,733.49, 731,524.77 and 188,170.38

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Solution

The fourth proportional to 487,733.49, 731,524.77 and 188,170.38 is: 282,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,733.49 : 731,524.77 = 188,170.38 : x
  2. Step 2: Convert to fraction form
    487,733.49/731,524.77 = 188,170.38/x
  3. Step 3: Cross multiply
    487,733.49x = 731,524.77 × 188,170.38
  4. Step 4: Simplify right side
    487,733.49x = 137,651,293,950.31
  5. Step 5: Solve for x
    x = 137,651,293,950.31/487,733.49
  6. Step 6: Final answer
    x = 282,226.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.