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Finding the Fourth Proportional to 406,437.04, 610,033.83 and 206,906.80

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Solution

The fourth proportional to 406,437.04, 610,033.83 and 206,906.80 is: 310,552.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,437.04 : 610,033.83 = 206,906.80 : x
  2. Step 2: Convert to fraction form
    406,437.04/610,033.83 = 206,906.80/x
  3. Step 3: Cross multiply
    406,437.04x = 610,033.83 × 206,906.80
  4. Step 4: Simplify right side
    406,437.04x = 126,220,146,131.96
  5. Step 5: Solve for x
    x = 126,220,146,131.96/406,437.04
  6. Step 6: Final answer
    x = 310,552.77

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1.5x scale

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.