Finding the Fourth Proportional to 403,748.19, 605,717.46 and 226,377.63
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Solution
The fourth proportional to 403,748.19, 605,717.46 and 226,377.63 is: 339,619.81
Step by Step Solution
- Step 1: Write the proportion equation
403,748.19 : 605,717.46 = 226,377.63 : x - Step 2: Convert to fraction form
403,748.19/605,717.46 = 226,377.63/x - Step 3: Cross multiply
403,748.19x = 605,717.46 × 226,377.63 - Step 4: Simplify right side
403,748.19x = 137,120,883,044.42 - Step 5: Solve for x
x = 137,120,883,044.42/403,748.19 - Step 6: Final answer
x = 339,619.81
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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.