Finding the Fourth Proportional to 228,963.30, 343,497.15 and 71,207.70
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Solution
The fourth proportional to 228,963.30, 343,497.15 and 71,207.70 is: 106,827.78
Step by Step Solution
- Step 1: Write the proportion equation
228,963.30 : 343,497.15 = 71,207.70 : x - Step 2: Convert to fraction form
228,963.30/343,497.15 = 71,207.70/x - Step 3: Cross multiply
228,963.30x = 343,497.15 × 71,207.70 - Step 4: Simplify right side
228,963.30x = 24,459,642,008.06 - Step 5: Solve for x
x = 24,459,642,008.06/228,963.30 - Step 6: Final answer
x = 106,827.78
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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.