Finding the Fourth Proportional to 173,663.60, 260,509.80 and 55,331.60
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Solution
The fourth proportional to 173,663.60, 260,509.80 and 55,331.60 is: 83,001.99
Step by Step Solution
- Step 1: Write the proportion equation
173,663.60 : 260,509.80 = 55,331.60 : x - Step 2: Convert to fraction form
173,663.60/260,509.80 = 55,331.60/x - Step 3: Cross multiply
173,663.60x = 260,509.80 × 55,331.60 - Step 4: Simplify right side
173,663.60x = 14,414,424,049.68 - Step 5: Solve for x
x = 14,414,424,049.68/173,663.60 - Step 6: Final answer
x = 83,001.99
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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.