Finding the Fourth Proportional to 418,020.42, 576,881.80 and 236,728.44
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Solution
The fourth proportional to 418,020.42, 576,881.80 and 236,728.44 is: 326,692.96
Step by Step Solution
- Step 1: Write the proportion equation
418,020.42 : 576,881.80 = 236,728.44 : x - Step 2: Convert to fraction form
418,020.42/576,881.80 = 236,728.44/x - Step 3: Cross multiply
418,020.42x = 576,881.80 × 236,728.44 - Step 4: Simplify right side
418,020.42x = 136,564,328,578.39 - Step 5: Solve for x
x = 136,564,328,578.39/418,020.42 - Step 6: Final answer
x = 326,692.96
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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.