Home / 354,212.77-531,207.37-140,887.93

Finding the Fourth Proportional to 354,212.77, 531,207.37 and 140,887.93

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Solution

The fourth proportional to 354,212.77, 531,207.37 and 140,887.93 is: 211,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,212.77 : 531,207.37 = 140,887.93 : x
  2. Step 2: Convert to fraction form
    354,212.77/531,207.37 = 140,887.93/x
  3. Step 3: Cross multiply
    354,212.77x = 531,207.37 × 140,887.93
  4. Step 4: Simplify right side
    354,212.77x = 74,840,706,760.04
  5. Step 5: Solve for x
    x = 74,840,706,760.04/354,212.77
  6. Step 6: Final answer
    x = 211,287.43

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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.