Finding the Fourth Proportional to 540,445.97, 745,818.45 and 295,431.14
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Solution
The fourth proportional to 540,445.97, 745,818.45 and 295,431.14 is: 407,696.62
Step by Step Solution
- Step 1: Write the proportion equation
540,445.97 : 745,818.45 = 295,431.14 : x - Step 2: Convert to fraction form
540,445.97/745,818.45 = 295,431.14/x - Step 3: Cross multiply
540,445.97x = 745,818.45 × 295,431.14 - Step 4: Simplify right side
540,445.97x = 220,337,994,916.53 - Step 5: Solve for x
x = 220,337,994,916.53/540,445.97 - Step 6: Final answer
x = 407,696.62
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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.