Finding the Fourth Proportional to 431,051.14, 646,536.81 and 203,294.53
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Solution
The fourth proportional to 431,051.14, 646,536.81 and 203,294.53 is: 304,922.97
Step by Step Solution
- Step 1: Write the proportion equation
431,051.14 : 646,536.81 = 203,294.53 : x - Step 2: Convert to fraction form
431,051.14/646,536.81 = 203,294.53/x - Step 3: Cross multiply
431,051.14x = 646,536.81 × 203,294.53 - Step 4: Simplify right side
431,051.14x = 131,437,395,900.18 - Step 5: Solve for x
x = 131,437,395,900.18/431,051.14 - Step 6: Final answer
x = 304,922.97
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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.