Home / 371,583.28-512,797.04-210,434.86

Finding the Fourth Proportional to 371,583.28, 512,797.04 and 210,434.86

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Solution

The fourth proportional to 371,583.28, 512,797.04 and 210,434.86 is: 290,406.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,583.28 : 512,797.04 = 210,434.86 : x
  2. Step 2: Convert to fraction form
    371,583.28/512,797.04 = 210,434.86/x
  3. Step 3: Cross multiply
    371,583.28x = 512,797.04 × 210,434.86
  4. Step 4: Simplify right side
    371,583.28x = 107,910,373,320.81
  5. Step 5: Solve for x
    x = 107,910,373,320.81/371,583.28
  6. Step 6: Final answer
    x = 290,406.97

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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.