Finding the Fourth Proportional to 407,333.26, 611,029.86 and 107,811.82
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Solution
The fourth proportional to 407,333.26, 611,029.86 and 107,811.82 is: 161,725.66
Step by Step Solution
- Step 1: Write the proportion equation
407,333.26 : 611,029.86 = 107,811.82 : x - Step 2: Convert to fraction form
407,333.26/611,029.86 = 107,811.82/x - Step 3: Cross multiply
407,333.26x = 611,029.86 × 107,811.82 - Step 4: Simplify right side
407,333.26x = 65,876,241,280.95 - Step 5: Solve for x
x = 65,876,241,280.95/407,333.26 - Step 6: Final answer
x = 161,725.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.