Finding the Fourth Proportional to 436,633.44, 602,554.05 and 243,036.97
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Solution
The fourth proportional to 436,633.44, 602,554.05 and 243,036.97 is: 335,390.96
Step by Step Solution
- Step 1: Write the proportion equation
436,633.44 : 602,554.05 = 243,036.97 : x - Step 2: Convert to fraction form
436,633.44/602,554.05 = 243,036.97/x - Step 3: Cross multiply
436,633.44x = 602,554.05 × 243,036.97 - Step 4: Simplify right side
436,633.44x = 146,442,910,573.23 - Step 5: Solve for x
x = 146,442,910,573.23/436,633.44 - Step 6: Final answer
x = 335,390.96
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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.