Home / 395,972.19-546,439.86-214,683.54

Finding the Fourth Proportional to 395,972.19, 546,439.86 and 214,683.54

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Solution

The fourth proportional to 395,972.19, 546,439.86 and 214,683.54 is: 296,262.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,972.19 : 546,439.86 = 214,683.54 : x
  2. Step 2: Convert to fraction form
    395,972.19/546,439.86 = 214,683.54/x
  3. Step 3: Cross multiply
    395,972.19x = 546,439.86 × 214,683.54
  4. Step 4: Simplify right side
    395,972.19x = 117,311,643,541.90
  5. Step 5: Solve for x
    x = 117,311,643,541.90/395,972.19
  6. Step 6: Final answer
    x = 296,262.33

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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.