Finding the Fourth Proportional to 135,474.93, 203,211.48 and 105,917.63
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Solution
The fourth proportional to 135,474.93, 203,211.48 and 105,917.63 is: 158,875.73
Step by Step Solution
- Step 1: Write the proportion equation
135,474.93 : 203,211.48 = 105,917.63 : x - Step 2: Convert to fraction form
135,474.93/203,211.48 = 105,917.63/x - Step 3: Cross multiply
135,474.93x = 203,211.48 × 105,917.63 - Step 4: Simplify right side
135,474.93x = 21,523,677,731.53 - Step 5: Solve for x
x = 21,523,677,731.53/135,474.93 - Step 6: Final answer
x = 158,875.73
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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.