Home / 352,231.16-528,368.70-99,531

Finding the Fourth Proportional to 352,231.16, 528,368.70 and 99,531

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Solution

The fourth proportional to 352,231.16, 528,368.70 and 99,531 is: 149,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,231.16 : 528,368.70 = 99,531 : x
  2. Step 2: Convert to fraction form
    352,231.16/528,368.70 = 99,531/x
  3. Step 3: Cross multiply
    352,231.16x = 528,368.70 × 99,531
  4. Step 4: Simplify right side
    352,231.16x = 52,589,065,079.70
  5. Step 5: Solve for x
    x = 52,589,065,079.70/352,231.16
  6. Step 6: Final answer
    x = 149,302.71

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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.