Finding the Fourth Proportional to 272,986.62, 409,480.98 and 83,446.26
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Solution
The fourth proportional to 272,986.62, 409,480.98 and 83,446.26 is: 125,169.71
Step by Step Solution
- Step 1: Write the proportion equation
272,986.62 : 409,480.98 = 83,446.26 : x - Step 2: Convert to fraction form
272,986.62/409,480.98 = 83,446.26/x - Step 3: Cross multiply
272,986.62x = 409,480.98 × 83,446.26 - Step 4: Simplify right side
272,986.62x = 34,169,656,322.13 - Step 5: Solve for x
x = 34,169,656,322.13/272,986.62 - Step 6: Final answer
x = 125,169.71
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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.