Finding the Fourth Proportional to 437,394.40, 603,531.18 and 243,759.82
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Solution
The fourth proportional to 437,394.40, 603,531.18 and 243,759.82 is: 336,347.82
Step by Step Solution
- Step 1: Write the proportion equation
437,394.40 : 603,531.18 = 243,759.82 : x - Step 2: Convert to fraction form
437,394.40/603,531.18 = 243,759.82/x - Step 3: Cross multiply
437,394.40x = 603,531.18 × 243,759.82 - Step 4: Simplify right side
437,394.40x = 147,116,651,801.19 - Step 5: Solve for x
x = 147,116,651,801.19/437,394.40 - Step 6: Final answer
x = 336,347.82
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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.