Finding the Fourth Proportional to 212,446.53, 318,678.59 and 62,686.82
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Solution
The fourth proportional to 212,446.53, 318,678.59 and 62,686.82 is: 94,032.83
Step by Step Solution
- Step 1: Write the proportion equation
212,446.53 : 318,678.59 = 62,686.82 : x - Step 2: Convert to fraction form
212,446.53/318,678.59 = 62,686.82/x - Step 3: Cross multiply
212,446.53x = 318,678.59 × 62,686.82 - Step 4: Simplify right side
212,446.53x = 19,976,948,009.98 - Step 5: Solve for x
x = 19,976,948,009.98/212,446.53 - Step 6: Final answer
x = 94,032.83
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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.