Finding the Fourth Proportional to 261,207.68, 360,403.64 and 165,679.52
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Solution
The fourth proportional to 261,207.68, 360,403.64 and 165,679.52 is: 228,597.80
Step by Step Solution
- Step 1: Write the proportion equation
261,207.68 : 360,403.64 = 165,679.52 : x - Step 2: Convert to fraction form
261,207.68/360,403.64 = 165,679.52/x - Step 3: Cross multiply
261,207.68x = 360,403.64 × 165,679.52 - Step 4: Simplify right side
261,207.68x = 59,711,502,081.45 - Step 5: Solve for x
x = 59,711,502,081.45/261,207.68 - Step 6: Final answer
x = 228,597.80
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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.