Finding the Fourth Proportional to 536,642.75, 804,991.70 and 137,286.99
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Solution
The fourth proportional to 536,642.75, 804,991.70 and 137,286.99 is: 205,937.54
Step by Step Solution
- Step 1: Write the proportion equation
536,642.75 : 804,991.70 = 137,286.99 : x - Step 2: Convert to fraction form
536,642.75/804,991.70 = 137,286.99/x - Step 3: Cross multiply
536,642.75x = 804,991.70 × 137,286.99 - Step 4: Simplify right side
536,642.75x = 110,514,887,811.20 - Step 5: Solve for x
x = 110,514,887,811.20/536,642.75 - Step 6: Final answer
x = 205,937.54
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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.