Finding the Fourth Proportional to 246,716.30, 370,121.16 and 78,279.02
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Solution
The fourth proportional to 246,716.30, 370,121.16 and 78,279.02 is: 117,433.35
Step by Step Solution
- Step 1: Write the proportion equation
246,716.30 : 370,121.16 = 78,279.02 : x - Step 2: Convert to fraction form
246,716.30/370,121.16 = 78,279.02/x - Step 3: Cross multiply
246,716.30x = 370,121.16 × 78,279.02 - Step 4: Simplify right side
246,716.30x = 28,972,721,686.06 - Step 5: Solve for x
x = 28,972,721,686.06/246,716.30 - Step 6: Final answer
x = 117,433.35
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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.