Home / 352,594.28-528,909.89-268,486.36

Finding the Fourth Proportional to 352,594.28, 528,909.89 and 268,486.36

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Solution

The fourth proportional to 352,594.28, 528,909.89 and 268,486.36 is: 402,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,594.28 : 528,909.89 = 268,486.36 : x
  2. Step 2: Convert to fraction form
    352,594.28/528,909.89 = 268,486.36/x
  3. Step 3: Cross multiply
    352,594.28x = 528,909.89 × 268,486.36
  4. Step 4: Simplify right side
    352,594.28x = 142,005,088,469.39
  5. Step 5: Solve for x
    x = 142,005,088,469.39/352,594.28
  6. Step 6: Final answer
    x = 402,743.59

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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.