Finding the Fourth Proportional to 336,373.80, 504,562.74 and 99,718.68
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Solution
The fourth proportional to 336,373.80, 504,562.74 and 99,718.68 is: 149,578.62
Step by Step Solution
- Step 1: Write the proportion equation
336,373.80 : 504,562.74 = 99,718.68 : x - Step 2: Convert to fraction form
336,373.80/504,562.74 = 99,718.68/x - Step 3: Cross multiply
336,373.80x = 504,562.74 × 99,718.68 - Step 4: Simplify right side
336,373.80x = 50,314,330,409.98 - Step 5: Solve for x
x = 50,314,330,409.98/336,373.80 - Step 6: Final answer
x = 149,578.62
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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.