Home / 427,239.39-640,999.37-174,732.24

Finding the Fourth Proportional to 427,239.39, 640,999.37 and 174,732.24

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Solution

The fourth proportional to 427,239.39, 640,999.37 and 174,732.24 is: 262,155.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,239.39 : 640,999.37 = 174,732.24 : x
  2. Step 2: Convert to fraction form
    427,239.39/640,999.37 = 174,732.24/x
  3. Step 3: Cross multiply
    427,239.39x = 640,999.37 × 174,732.24
  4. Step 4: Simplify right side
    427,239.39x = 112,003,254,885.03
  5. Step 5: Solve for x
    x = 112,003,254,885.03/427,239.39
  6. Step 6: Final answer
    x = 262,155.73

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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.