Home / 392,740.74-589,157.24-140,057.16

Finding the Fourth Proportional to 392,740.74, 589,157.24 and 140,057.16

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Solution

The fourth proportional to 392,740.74, 589,157.24 and 140,057.16 is: 210,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,740.74 : 589,157.24 = 140,057.16 : x
  2. Step 2: Convert to fraction form
    392,740.74/589,157.24 = 140,057.16/x
  3. Step 3: Cross multiply
    392,740.74x = 589,157.24 × 140,057.16
  4. Step 4: Simplify right side
    392,740.74x = 82,515,689,827.84
  5. Step 5: Solve for x
    x = 82,515,689,827.84/392,740.74
  6. Step 6: Final answer
    x = 210,102.19

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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.