Home / 487,610.19-731,448.09-188,093.25

Finding the Fourth Proportional to 487,610.19, 731,448.09 and 188,093.25

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Solution

The fourth proportional to 487,610.19, 731,448.09 and 188,093.25 is: 282,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,610.19 : 731,448.09 = 188,093.25 : x
  2. Step 2: Convert to fraction form
    487,610.19/731,448.09 = 188,093.25/x
  3. Step 3: Cross multiply
    487,610.19x = 731,448.09 × 188,093.25
  4. Step 4: Simplify right side
    487,610.19x = 137,580,448,454.39
  5. Step 5: Solve for x
    x = 137,580,448,454.39/487,610.19
  6. Step 6: Final answer
    x = 282,152.53

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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.