Finding the Fourth Proportional to 338,037.52, 506,327.32 and 318,163.84
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Solution
The fourth proportional to 338,037.52, 506,327.32 and 318,163.84 is: 476,559.66
Step by Step Solution
- Step 1: Write the proportion equation
338,037.52 : 506,327.32 = 318,163.84 : x - Step 2: Convert to fraction form
338,037.52/506,327.32 = 318,163.84/x - Step 3: Cross multiply
338,037.52x = 506,327.32 × 318,163.84 - Step 4: Simplify right side
338,037.52x = 161,095,044,428.11 - Step 5: Solve for x
x = 161,095,044,428.11/338,037.52 - Step 6: Final answer
x = 476,559.66
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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.