Finding the Fourth Proportional to 229,497.40, 344,246.10 and 79,687.90
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Solution
The fourth proportional to 229,497.40, 344,246.10 and 79,687.90 is: 119,531.85
Step by Step Solution
- Step 1: Write the proportion equation
229,497.40 : 344,246.10 = 79,687.90 : x - Step 2: Convert to fraction form
229,497.40/344,246.10 = 79,687.90/x - Step 3: Cross multiply
229,497.40x = 344,246.10 × 79,687.90 - Step 4: Simplify right side
229,497.40x = 27,432,248,792.19 - Step 5: Solve for x
x = 27,432,248,792.19/229,497.40 - Step 6: Final answer
x = 119,531.85
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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.