Finding the Fourth Proportional to 581,205.39, 802,128.32 and 351,888.99
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Solution
The fourth proportional to 581,205.39, 802,128.32 and 351,888.99 is: 485,646.09
Step by Step Solution
- Step 1: Write the proportion equation
581,205.39 : 802,128.32 = 351,888.99 : x - Step 2: Convert to fraction form
581,205.39/802,128.32 = 351,888.99/x - Step 3: Cross multiply
581,205.39x = 802,128.32 × 351,888.99 - Step 4: Simplify right side
581,205.39x = 282,260,124,375.20 - Step 5: Solve for x
x = 282,260,124,375.20/581,205.39 - Step 6: Final answer
x = 485,646.09
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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.