Finding the Fourth Proportional to 247,226.34, 370,716.66 and 78,724.68
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Solution
The fourth proportional to 247,226.34, 370,716.66 and 78,724.68 is: 118,047.90
Step by Step Solution
- Step 1: Write the proportion equation
247,226.34 : 370,716.66 = 78,724.68 : x - Step 2: Convert to fraction form
247,226.34/370,716.66 = 78,724.68/x - Step 3: Cross multiply
247,226.34x = 370,716.66 × 78,724.68 - Step 4: Simplify right side
247,226.34x = 29,184,550,429.17 - Step 5: Solve for x
x = 29,184,550,429.17/247,226.34 - Step 6: Final answer
x = 118,047.90
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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.