Finding the Fourth Proportional to 406,135.08, 609,761.67 and 206,590.50
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Solution
The fourth proportional to 406,135.08, 609,761.67 and 206,590.50 is: 310,170.12
Step by Step Solution
- Step 1: Write the proportion equation
406,135.08 : 609,761.67 = 206,590.50 : x - Step 2: Convert to fraction form
406,135.08/609,761.67 = 206,590.50/x - Step 3: Cross multiply
406,135.08x = 609,761.67 × 206,590.50 - Step 4: Simplify right side
406,135.08x = 125,970,968,286.14 - Step 5: Solve for x
x = 125,970,968,286.14/406,135.08 - Step 6: Final answer
x = 310,170.12
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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.