Finding the Fourth Proportional to 173,986.68, 260,998.74 and 55,615.80
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Solution
The fourth proportional to 173,986.68, 260,998.74 and 55,615.80 is: 83,429.68
Step by Step Solution
- Step 1: Write the proportion equation
173,986.68 : 260,998.74 = 55,615.80 : x - Step 2: Convert to fraction form
173,986.68/260,998.74 = 55,615.80/x - Step 3: Cross multiply
173,986.68x = 260,998.74 × 55,615.80 - Step 4: Simplify right side
173,986.68x = 14,515,653,724.09 - Step 5: Solve for x
x = 14,515,653,724.09/173,986.68 - Step 6: Final answer
x = 83,429.68
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1.5x scale
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.