Finding the Fourth Proportional to 647,197.78, 970,034.18 and 291,795.70
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Solution
The fourth proportional to 647,197.78, 970,034.18 and 291,795.70 is: 437,349.77
Step by Step Solution
- Step 1: Write the proportion equation
647,197.78 : 970,034.18 = 291,795.70 : x - Step 2: Convert to fraction form
647,197.78/970,034.18 = 291,795.70/x - Step 3: Cross multiply
647,197.78x = 970,034.18 × 291,795.70 - Step 4: Simplify right side
647,197.78x = 283,051,802,577.03 - Step 5: Solve for x
x = 283,051,802,577.03/647,197.78 - Step 6: Final answer
x = 437,349.77
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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.