Finding the Fourth Proportional to 229,478.67, 344,207.07 and 87,356.61
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Solution
The fourth proportional to 229,478.67, 344,207.07 and 87,356.61 is: 131,030.75
Step by Step Solution
- Step 1: Write the proportion equation
229,478.67 : 344,207.07 = 87,356.61 : x - Step 2: Convert to fraction form
229,478.67/344,207.07 = 87,356.61/x - Step 3: Cross multiply
229,478.67x = 344,207.07 × 87,356.61 - Step 4: Simplify right side
229,478.67x = 30,068,762,773.23 - Step 5: Solve for x
x = 30,068,762,773.23/229,478.67 - Step 6: Final answer
x = 131,030.75
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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.