Finding the Fourth Proportional to 478,244.10, 659,968.81 and 263,404.17
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Solution
The fourth proportional to 478,244.10, 659,968.81 and 263,404.17 is: 363,493.32
Step by Step Solution
- Step 1: Write the proportion equation
478,244.10 : 659,968.81 = 263,404.17 : x - Step 2: Convert to fraction form
478,244.10/659,968.81 = 263,404.17/x - Step 3: Cross multiply
478,244.10x = 659,968.81 × 263,404.17 - Step 4: Simplify right side
478,244.10x = 173,838,536,623.94 - Step 5: Solve for x
x = 173,838,536,623.94/478,244.10 - Step 6: Final answer
x = 363,493.32
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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.