Finding the Fourth Proportional to 479,705.14, 661,991.25 and 264,843.63
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Solution
The fourth proportional to 479,705.14, 661,991.25 and 264,843.63 is: 365,483.19
Step by Step Solution
- Step 1: Write the proportion equation
479,705.14 : 661,991.25 = 264,843.63 : x - Step 2: Convert to fraction form
479,705.14/661,991.25 = 264,843.63/x - Step 3: Cross multiply
479,705.14x = 661,991.25 × 264,843.63 - Step 4: Simplify right side
479,705.14x = 175,324,166,671.40 - Step 5: Solve for x
x = 175,324,166,671.40/479,705.14 - Step 6: Final answer
x = 365,483.19
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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.