Finding the Fourth Proportional to 135,778.52, 203,619.18 and 47,008.19
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Solution
The fourth proportional to 135,778.52, 203,619.18 and 47,008.19 is: 70,495.46
Step by Step Solution
- Step 1: Write the proportion equation
135,778.52 : 203,619.18 = 47,008.19 : x - Step 2: Convert to fraction form
135,778.52/203,619.18 = 47,008.19/x - Step 3: Cross multiply
135,778.52x = 203,619.18 × 47,008.19 - Step 4: Simplify right side
135,778.52x = 9,571,769,101.08 - Step 5: Solve for x
x = 9,571,769,101.08/135,778.52 - Step 6: Final answer
x = 70,495.46
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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.