Finding the Fourth Proportional to 478,164.24, 659,845.30 and 274,068.81
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Solution
The fourth proportional to 478,164.24, 659,845.30 and 274,068.81 is: 378,202.72
Step by Step Solution
- Step 1: Write the proportion equation
478,164.24 : 659,845.30 = 274,068.81 : x - Step 2: Convert to fraction form
478,164.24/659,845.30 = 274,068.81/x - Step 3: Cross multiply
478,164.24x = 659,845.30 × 274,068.81 - Step 4: Simplify right side
478,164.24x = 180,843,016,155.09 - Step 5: Solve for x
x = 180,843,016,155.09/478,164.24 - Step 6: Final answer
x = 378,202.72
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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.