Finding the Fourth Proportional to 239,010.14, 358,252.76 and 81,119.67
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Solution
The fourth proportional to 239,010.14, 358,252.76 and 81,119.67 is: 121,590.43
Step by Step Solution
- Step 1: Write the proportion equation
239,010.14 : 358,252.76 = 81,119.67 : x - Step 2: Convert to fraction form
239,010.14/358,252.76 = 81,119.67/x - Step 3: Cross multiply
239,010.14x = 358,252.76 × 81,119.67 - Step 4: Simplify right side
239,010.14x = 29,061,345,262.19 - Step 5: Solve for x
x = 29,061,345,262.19/239,010.14 - Step 6: Final answer
x = 121,590.43
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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.