Home / 251,407.84-347,016.38-149,505.12

Finding the Fourth Proportional to 251,407.84, 347,016.38 and 149,505.12

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Solution

The fourth proportional to 251,407.84, 347,016.38 and 149,505.12 is: 206,360.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,407.84 : 347,016.38 = 149,505.12 : x
  2. Step 2: Convert to fraction form
    251,407.84/347,016.38 = 149,505.12/x
  3. Step 3: Cross multiply
    251,407.84x = 347,016.38 × 149,505.12
  4. Step 4: Simplify right side
    251,407.84x = 51,880,725,533.87
  5. Step 5: Solve for x
    x = 51,880,725,533.87/251,407.84
  6. Step 6: Final answer
    x = 206,360.81

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1.5x scale

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.