Finding the Fourth Proportional to 135,657.30, 203,428.35 and 65,558.10
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Solution
The fourth proportional to 135,657.30, 203,428.35 and 65,558.10 is: 98,309.31
Step by Step Solution
- Step 1: Write the proportion equation
135,657.30 : 203,428.35 = 65,558.10 : x - Step 2: Convert to fraction form
135,657.30/203,428.35 = 65,558.10/x - Step 3: Cross multiply
135,657.30x = 203,428.35 × 65,558.10 - Step 4: Simplify right side
135,657.30x = 13,336,376,112.14 - Step 5: Solve for x
x = 13,336,376,112.14/135,657.30 - Step 6: Final answer
x = 98,309.31
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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.