Finding the Fourth Proportional to 448,777.08, 673,160.26 and 128,936.82
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Solution
The fourth proportional to 448,777.08, 673,160.26 and 128,936.82 is: 193,403.69
Step by Step Solution
- Step 1: Write the proportion equation
448,777.08 : 673,160.26 = 128,936.82 : x - Step 2: Convert to fraction form
448,777.08/673,160.26 = 128,936.82/x - Step 3: Cross multiply
448,777.08x = 673,160.26 × 128,936.82 - Step 4: Simplify right side
448,777.08x = 86,795,143,274.77 - Step 5: Solve for x
x = 86,795,143,274.77/448,777.08 - Step 6: Final answer
x = 193,403.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.