Finding the Fourth Proportional to 228,691.71, 343,351.74 and 116,447.31
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Solution
The fourth proportional to 228,691.71, 343,351.74 and 116,447.31 is: 174,830.94
Step by Step Solution
- Step 1: Write the proportion equation
228,691.71 : 343,351.74 = 116,447.31 : x - Step 2: Convert to fraction form
228,691.71/343,351.74 = 116,447.31/x - Step 3: Cross multiply
228,691.71x = 343,351.74 × 116,447.31 - Step 4: Simplify right side
228,691.71x = 39,982,386,506.82 - Step 5: Solve for x
x = 39,982,386,506.82/228,691.71 - Step 6: Final answer
x = 174,830.94
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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.