Finding the Fourth Proportional to 261,286.61, 360,652.25 and 170,656.43
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Solution
The fourth proportional to 261,286.61, 360,652.25 and 170,656.43 is: 235,555.99
Step by Step Solution
- Step 1: Write the proportion equation
261,286.61 : 360,652.25 = 170,656.43 : x - Step 2: Convert to fraction form
261,286.61/360,652.25 = 170,656.43/x - Step 3: Cross multiply
261,286.61x = 360,652.25 × 170,656.43 - Step 4: Simplify right side
261,286.61x = 61,547,624,079.85 - Step 5: Solve for x
x = 61,547,624,079.85/261,286.61 - Step 6: Final answer
x = 235,555.99
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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.