Finding the Fourth Proportional to 306,991.13, 460,560.42 and 117,448.40
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Solution
The fourth proportional to 306,991.13, 460,560.42 and 117,448.40 is: 176,200.80
Step by Step Solution
- Step 1: Write the proportion equation
306,991.13 : 460,560.42 = 117,448.40 : x - Step 2: Convert to fraction form
306,991.13/460,560.42 = 117,448.40/x - Step 3: Cross multiply
306,991.13x = 460,560.42 × 117,448.40 - Step 4: Simplify right side
306,991.13x = 54,092,082,129.53 - Step 5: Solve for x
x = 54,092,082,129.53/306,991.13 - Step 6: Final answer
x = 176,200.80
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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.