Finding the Fourth Proportional to 316,986.53, 437,486.26 and 196,166.73
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Solution
The fourth proportional to 316,986.53, 437,486.26 and 196,166.73 is: 270,737.84
Step by Step Solution
- Step 1: Write the proportion equation
316,986.53 : 437,486.26 = 196,166.73 : x - Step 2: Convert to fraction form
316,986.53/437,486.26 = 196,166.73/x - Step 3: Cross multiply
316,986.53x = 437,486.26 × 196,166.73 - Step 4: Simplify right side
316,986.53x = 85,820,249,044.13 - Step 5: Solve for x
x = 85,820,249,044.13/316,986.53 - Step 6: Final answer
x = 270,737.84
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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.