Finding the Fourth Proportional to 396,006.84, 546,268.86 and 234,706.68
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Solution
The fourth proportional to 396,006.84, 546,268.86 and 234,706.68 is: 323,764.48
Step by Step Solution
- Step 1: Write the proportion equation
396,006.84 : 546,268.86 = 234,706.68 : x - Step 2: Convert to fraction form
396,006.84/546,268.86 = 234,706.68/x - Step 3: Cross multiply
396,006.84x = 546,268.86 × 234,706.68 - Step 4: Simplify right side
396,006.84x = 128,212,950,517.99 - Step 5: Solve for x
x = 128,212,950,517.99/396,006.84 - Step 6: Final answer
x = 323,764.48
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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.