Home / 352,613.80-528,919.26-290,152.36

Finding the Fourth Proportional to 352,613.80, 528,919.26 and 290,152.36

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Solution

The fourth proportional to 352,613.80, 528,919.26 and 290,152.36 is: 435,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,613.80 : 528,919.26 = 290,152.36 : x
  2. Step 2: Convert to fraction form
    352,613.80/528,919.26 = 290,152.36/x
  3. Step 3: Cross multiply
    352,613.80x = 528,919.26 × 290,152.36
  4. Step 4: Simplify right side
    352,613.80x = 153,467,171,538.45
  5. Step 5: Solve for x
    x = 153,467,171,538.45/352,613.80
  6. Step 6: Final answer
    x = 435,227.36

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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.