Finding the Fourth Proportional to 338,394.19, 507,572.61 and 113,731.43
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Solution
The fourth proportional to 338,394.19, 507,572.61 and 113,731.43 is: 170,590.87
Step by Step Solution
- Step 1: Write the proportion equation
338,394.19 : 507,572.61 = 113,731.43 : x - Step 2: Convert to fraction form
338,394.19/507,572.61 = 113,731.43/x - Step 3: Cross multiply
338,394.19x = 507,572.61 × 113,731.43 - Step 4: Simplify right side
338,394.19x = 57,726,958,764.13 - Step 5: Solve for x
x = 57,726,958,764.13/338,394.19 - Step 6: Final answer
x = 170,590.87
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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.