Finding the Fourth Proportional to 415,446,302.40, 573,259,737.12 and 236,853,229.08
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Solution
The fourth proportional to 415,446,302.40, 573,259,737.12 and 236,853,229.08 is: 326,825,438.22
Step by Step Solution
- Step 1: Write the proportion equation
415,446,302.40 : 573,259,737.12 = 236,853,229.08 : x - Step 2: Convert to fraction form
415,446,302.40/573,259,737.12 = 236,853,229.08/x - Step 3: Cross multiply
415,446,302.40x = 573,259,737.12 × 236,853,229.08 - Step 4: Simplify right side
415,446,302.40x = 135,778,419,838,423,952 - Step 5: Solve for x
x = 135,778,419,838,423,952/415,446,302.40 - Step 6: Final answer
x = 326,825,438.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.