Finding the Fourth Proportional to 502,218.26, 753,327.40 and 221,679.62
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Solution
The fourth proportional to 502,218.26, 753,327.40 and 221,679.62 is: 332,519.43
Step by Step Solution
- Step 1: Write the proportion equation
502,218.26 : 753,327.40 = 221,679.62 : x - Step 2: Convert to fraction form
502,218.26/753,327.40 = 221,679.62/x - Step 3: Cross multiply
502,218.26x = 753,327.40 × 221,679.62 - Step 4: Simplify right side
502,218.26x = 166,997,331,767.59 - Step 5: Solve for x
x = 166,997,331,767.59/502,218.26 - Step 6: Final answer
x = 332,519.43
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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.