Finding the Fourth Proportional to 393,793.23, 591,005.14 and 204,307.91
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Solution
The fourth proportional to 393,793.23, 591,005.14 and 204,307.91 is: 306,625.45
Step by Step Solution
- Step 1: Write the proportion equation
393,793.23 : 591,005.14 = 204,307.91 : x - Step 2: Convert to fraction form
393,793.23/591,005.14 = 204,307.91/x - Step 3: Cross multiply
393,793.23x = 591,005.14 × 204,307.91 - Step 4: Simplify right side
393,793.23x = 120,747,024,952.66 - Step 5: Solve for x
x = 120,747,024,952.66/393,793.23 - Step 6: Final answer
x = 306,625.45
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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.