Finding the Fourth Proportional to 406,589.48, 609,914.18 and 107,067.98
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Solution
The fourth proportional to 406,589.48, 609,914.18 and 107,067.98 is: 160,609.86
Step by Step Solution
- Step 1: Write the proportion equation
406,589.48 : 609,914.18 = 107,067.98 : x - Step 2: Convert to fraction form
406,589.48/609,914.18 = 107,067.98/x - Step 3: Cross multiply
406,589.48x = 609,914.18 × 107,067.98 - Step 4: Simplify right side
406,589.48x = 65,302,281,018.41 - Step 5: Solve for x
x = 65,302,281,018.41/406,589.48 - Step 6: Final answer
x = 160,609.86
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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.