Home / 217,472.64-324,872.14-156,984.32

Finding the Fourth Proportional to 217,472.64, 324,872.14 and 156,984.32

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Solution

The fourth proportional to 217,472.64, 324,872.14 and 156,984.32 is: 234,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,472.64 : 324,872.14 = 156,984.32 : x
  2. Step 2: Convert to fraction form
    217,472.64/324,872.14 = 156,984.32/x
  3. Step 3: Cross multiply
    217,472.64x = 324,872.14 × 156,984.32
  4. Step 4: Simplify right side
    217,472.64x = 50,999,831,984.84
  5. Step 5: Solve for x
    x = 50,999,831,984.84/217,472.64
  6. Step 6: Final answer
    x = 234,511.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.