Finding the Fourth Proportional to 229,508.99, 316,716.06 and 127,531.81
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Solution
The fourth proportional to 229,508.99, 316,716.06 and 127,531.81 is: 175,990.37
Step by Step Solution
- Step 1: Write the proportion equation
229,508.99 : 316,716.06 = 127,531.81 : x - Step 2: Convert to fraction form
229,508.99/316,716.06 = 127,531.81/x - Step 3: Cross multiply
229,508.99x = 316,716.06 × 127,531.81 - Step 4: Simplify right side
229,508.99x = 40,391,372,387.87 - Step 5: Solve for x
x = 40,391,372,387.87/229,508.99 - Step 6: Final answer
x = 175,990.37
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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.