Home / 371,739.25-557,619.81-91,256.50

Finding the Fourth Proportional to 371,739.25, 557,619.81 and 91,256.50

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Solution

The fourth proportional to 371,739.25, 557,619.81 and 91,256.50 is: 136,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,739.25 : 557,619.81 = 91,256.50 : x
  2. Step 2: Convert to fraction form
    371,739.25/557,619.81 = 91,256.50/x
  3. Step 3: Cross multiply
    371,739.25x = 557,619.81 × 91,256.50
  4. Step 4: Simplify right side
    371,739.25x = 50,886,432,191.27
  5. Step 5: Solve for x
    x = 50,886,432,191.27/371,739.25
  6. Step 6: Final answer
    x = 136,887.43

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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.