Finding the Fourth Proportional to 344,579.16, 516,827.70 and 91,878.60
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Solution
The fourth proportional to 344,579.16, 516,827.70 and 91,878.60 is: 137,806.96
Step by Step Solution
- Step 1: Write the proportion equation
344,579.16 : 516,827.70 = 91,878.60 : x - Step 2: Convert to fraction form
344,579.16/516,827.70 = 91,878.60/x - Step 3: Cross multiply
344,579.16x = 516,827.70 × 91,878.60 - Step 4: Simplify right side
344,579.16x = 47,485,405,517.22 - Step 5: Solve for x
x = 47,485,405,517.22/344,579.16 - Step 6: Final answer
x = 137,806.96
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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.