Finding the Fourth Proportional to 228,909.10, 343,363.65 and 194,349.10
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Solution
The fourth proportional to 228,909.10, 343,363.65 and 194,349.10 is: 291,523.65
Step by Step Solution
- Step 1: Write the proportion equation
228,909.10 : 343,363.65 = 194,349.10 : x - Step 2: Convert to fraction form
228,909.10/343,363.65 = 194,349.10/x - Step 3: Cross multiply
228,909.10x = 343,363.65 × 194,349.10 - Step 4: Simplify right side
228,909.10x = 66,732,416,350.22 - Step 5: Solve for x
x = 66,732,416,350.22/228,909.10 - Step 6: Final answer
x = 291,523.65
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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.