Finding the Fourth Proportional to 135,298.26, 202,706.64 and 115,374.69
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Solution
The fourth proportional to 135,298.26, 202,706.64 and 115,374.69 is: 172,856.74
Step by Step Solution
- Step 1: Write the proportion equation
135,298.26 : 202,706.64 = 115,374.69 : x - Step 2: Convert to fraction form
135,298.26/202,706.64 = 115,374.69/x - Step 3: Cross multiply
135,298.26x = 202,706.64 × 115,374.69 - Step 4: Simplify right side
135,298.26x = 23,387,215,750.94 - Step 5: Solve for x
x = 23,387,215,750.94/135,298.26 - Step 6: Final answer
x = 172,856.74
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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.