Finding the Fourth Proportional to 238,470.12, 329,092.61 and 136,495.17
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Solution
The fourth proportional to 238,470.12, 329,092.61 and 136,495.17 is: 188,365.53
Step by Step Solution
- Step 1: Write the proportion equation
238,470.12 : 329,092.61 = 136,495.17 : x - Step 2: Convert to fraction form
238,470.12/329,092.61 = 136,495.17/x - Step 3: Cross multiply
238,470.12x = 329,092.61 × 136,495.17 - Step 4: Simplify right side
238,470.12x = 44,919,551,065.22 - Step 5: Solve for x
x = 44,919,551,065.22/238,470.12 - Step 6: Final answer
x = 188,365.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.