Finding the Fourth Proportional to 536,193.48, 804,401.09 and 157,126.65
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Solution
The fourth proportional to 536,193.48, 804,401.09 and 157,126.65 is: 235,722.46
Step by Step Solution
- Step 1: Write the proportion equation
536,193.48 : 804,401.09 = 157,126.65 : x - Step 2: Convert to fraction form
536,193.48/804,401.09 = 157,126.65/x - Step 3: Cross multiply
536,193.48x = 804,401.09 × 157,126.65 - Step 4: Simplify right side
536,193.48x = 126,392,848,528.05 - Step 5: Solve for x
x = 126,392,848,528.05/536,193.48 - Step 6: Final answer
x = 235,722.46
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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.