Home / 251,509.50-347,062.05-148,127.31

Finding the Fourth Proportional to 251,509.50, 347,062.05 and 148,127.31

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Solution

The fourth proportional to 251,509.50, 347,062.05 and 148,127.31 is: 204,403.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,509.50 : 347,062.05 = 148,127.31 : x
  2. Step 2: Convert to fraction form
    251,509.50/347,062.05 = 148,127.31/x
  3. Step 3: Cross multiply
    251,509.50x = 347,062.05 × 148,127.31
  4. Step 4: Simplify right side
    251,509.50x = 51,409,367,869.59
  5. Step 5: Solve for x
    x = 51,409,367,869.59/251,509.50
  6. Step 6: Final answer
    x = 204,403.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.