Finding the Fourth Proportional to 431,544.05, 595,508.99 and 240,520.53
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Solution
The fourth proportional to 431,544.05, 595,508.99 and 240,520.53 is: 331,906.18
Step by Step Solution
- Step 1: Write the proportion equation
431,544.05 : 595,508.99 = 240,520.53 : x - Step 2: Convert to fraction form
431,544.05/595,508.99 = 240,520.53/x - Step 3: Cross multiply
431,544.05x = 595,508.99 × 240,520.53 - Step 4: Simplify right side
431,544.05x = 143,232,136,691.96 - Step 5: Solve for x
x = 143,232,136,691.96/431,544.05 - Step 6: Final answer
x = 331,906.18
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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.