Home / 352,317.25-528,471.26-86,080.07

Finding the Fourth Proportional to 352,317.25, 528,471.26 and 86,080.07

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Solution

The fourth proportional to 352,317.25, 528,471.26 and 86,080.07 is: 129,118.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,317.25 : 528,471.26 = 86,080.07 : x
  2. Step 2: Convert to fraction form
    352,317.25/528,471.26 = 86,080.07/x
  3. Step 3: Cross multiply
    352,317.25x = 528,471.26 × 86,080.07
  4. Step 4: Simplify right side
    352,317.25x = 45,490,840,411.43
  5. Step 5: Solve for x
    x = 45,490,840,411.43/352,317.25
  6. Step 6: Final answer
    x = 129,118.97

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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.