Home / 371,632.20-512,861.92-210,484.86

Finding the Fourth Proportional to 371,632.20, 512,861.92 and 210,484.86

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Solution

The fourth proportional to 371,632.20, 512,861.92 and 210,484.86 is: 290,474.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,632.20 : 512,861.92 = 210,484.86 : x
  2. Step 2: Convert to fraction form
    371,632.20/512,861.92 = 210,484.86/x
  3. Step 3: Cross multiply
    371,632.20x = 512,861.92 × 210,484.86
  4. Step 4: Simplify right side
    371,632.20x = 107,949,669,430.53
  5. Step 5: Solve for x
    x = 107,949,669,430.53/371,632.20
  6. Step 6: Final answer
    x = 290,474.48

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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.