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Finding the Fourth Proportional to 406,048.37, 610,176.66 and 216,642.54

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Solution

The fourth proportional to 406,048.37, 610,176.66 and 216,642.54 is: 325,552.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,048.37 : 610,176.66 = 216,642.54 : x
  2. Step 2: Convert to fraction form
    406,048.37/610,176.66 = 216,642.54/x
  3. Step 3: Cross multiply
    406,048.37x = 610,176.66 × 216,642.54
  4. Step 4: Simplify right side
    406,048.37x = 132,190,222,946.87
  5. Step 5: Solve for x
    x = 132,190,222,946.87/406,048.37
  6. Step 6: Final answer
    x = 325,552.90

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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.