Finding the Fourth Proportional to 359,551.29, 539,186.78 and 134,789.09
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Solution
The fourth proportional to 359,551.29, 539,186.78 and 134,789.09 is: 202,131.09
Step by Step Solution
- Step 1: Write the proportion equation
359,551.29 : 539,186.78 = 134,789.09 : x - Step 2: Convert to fraction form
359,551.29/539,186.78 = 134,789.09/x - Step 3: Cross multiply
359,551.29x = 539,186.78 × 134,789.09 - Step 4: Simplify right side
359,551.29x = 72,676,494,742.28 - Step 5: Solve for x
x = 72,676,494,742.28/359,551.29 - Step 6: Final answer
x = 202,131.09
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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.