Finding the Fourth Proportional to 478,288.08, 659,329.74 and 306,181.44
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Solution
The fourth proportional to 478,288.08, 659,329.74 and 306,181.44 is: 422,077.27
Step by Step Solution
- Step 1: Write the proportion equation
478,288.08 : 659,329.74 = 306,181.44 : x - Step 2: Convert to fraction form
478,288.08/659,329.74 = 306,181.44/x - Step 3: Cross multiply
478,288.08x = 659,329.74 × 306,181.44 - Step 4: Simplify right side
478,288.08x = 201,874,529,228.03 - Step 5: Solve for x
x = 201,874,529,228.03/478,288.08 - Step 6: Final answer
x = 422,077.27
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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.