Finding the Fourth Proportional to 235,328.13, 324,800.06 and 139,816.44
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Solution
The fourth proportional to 235,328.13, 324,800.06 and 139,816.44 is: 192,974.75
Step by Step Solution
- Step 1: Write the proportion equation
235,328.13 : 324,800.06 = 139,816.44 : x - Step 2: Convert to fraction form
235,328.13/324,800.06 = 139,816.44/x - Step 3: Cross multiply
235,328.13x = 324,800.06 × 139,816.44 - Step 4: Simplify right side
235,328.13x = 45,412,387,401.90 - Step 5: Solve for x
x = 45,412,387,401.90/235,328.13 - Step 6: Final answer
x = 192,974.75
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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.