Finding the Fourth Proportional to 289,165.59, 399,060.99 and 160,104.07
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Solution
The fourth proportional to 289,165.59, 399,060.99 and 160,104.07 is: 220,950.52
Step by Step Solution
- Step 1: Write the proportion equation
289,165.59 : 399,060.99 = 160,104.07 : x - Step 2: Convert to fraction form
289,165.59/399,060.99 = 160,104.07/x - Step 3: Cross multiply
289,165.59x = 399,060.99 × 160,104.07 - Step 4: Simplify right side
289,165.59x = 63,891,288,677.23 - Step 5: Solve for x
x = 63,891,288,677.23/289,165.59 - Step 6: Final answer
x = 220,950.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.