Home / 325,157.25-448,565.43-210,472.80

Finding the Fourth Proportional to 325,157.25, 448,565.43 and 210,472.80

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Solution

The fourth proportional to 325,157.25, 448,565.43 and 210,472.80 is: 290,354.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,157.25 : 448,565.43 = 210,472.80 : x
  2. Step 2: Convert to fraction form
    325,157.25/448,565.43 = 210,472.80/x
  3. Step 3: Cross multiply
    325,157.25x = 448,565.43 × 210,472.80
  4. Step 4: Simplify right side
    325,157.25x = 94,410,822,035.30
  5. Step 5: Solve for x
    x = 94,410,822,035.30/325,157.25
  6. Step 6: Final answer
    x = 290,354.35

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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.