Finding the Fourth Proportional to 338,072.67, 506,379.96 and 318,199.14
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Solution
The fourth proportional to 338,072.67, 506,379.96 and 318,199.14 is: 476,612.52
Step by Step Solution
- Step 1: Write the proportion equation
338,072.67 : 506,379.96 = 318,199.14 : x - Step 2: Convert to fraction form
338,072.67/506,379.96 = 318,199.14/x - Step 3: Cross multiply
338,072.67x = 506,379.96 × 318,199.14 - Step 4: Simplify right side
338,072.67x = 161,129,667,785.23 - Step 5: Solve for x
x = 161,129,667,785.23/338,072.67 - Step 6: Final answer
x = 476,612.52
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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.