Finding the Fourth Proportional to 135,398.25, 186,680.00 and 86,914.65
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Solution
The fourth proportional to 135,398.25, 186,680.00 and 86,914.65 is: 119,833.35
Step by Step Solution
- Step 1: Write the proportion equation
135,398.25 : 186,680.00 = 86,914.65 : x - Step 2: Convert to fraction form
135,398.25/186,680.00 = 86,914.65/x - Step 3: Cross multiply
135,398.25x = 186,680.00 × 86,914.65 - Step 4: Simplify right side
135,398.25x = 16,225,226,427.43 - Step 5: Solve for x
x = 16,225,226,427.43/135,398.25 - Step 6: Final answer
x = 119,833.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.