Finding the Fourth Proportional to 438,459.92, 657,898.74 and 303,731.54
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Solution
The fourth proportional to 438,459.92, 657,898.74 and 303,731.54 is: 455,741.99
Step by Step Solution
- Step 1: Write the proportion equation
438,459.92 : 657,898.74 = 303,731.54 : x - Step 2: Convert to fraction form
438,459.92/657,898.74 = 303,731.54/x - Step 3: Cross multiply
438,459.92x = 657,898.74 × 303,731.54 - Step 4: Simplify right side
438,459.92x = 199,824,597,464.26 - Step 5: Solve for x
x = 199,824,597,464.26/438,459.92 - Step 6: Final answer
x = 455,741.99
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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.