Finding the Fourth Proportional to 414,979.62, 621,471.48 and 236,947.02
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Solution
The fourth proportional to 414,979.62, 621,471.48 and 236,947.02 is: 354,850.72
Step by Step Solution
- Step 1: Write the proportion equation
414,979.62 : 621,471.48 = 236,947.02 : x - Step 2: Convert to fraction form
414,979.62/621,471.48 = 236,947.02/x - Step 3: Cross multiply
414,979.62x = 621,471.48 × 236,947.02 - Step 4: Simplify right side
414,979.62x = 147,255,815,200.99 - Step 5: Solve for x
x = 147,255,815,200.99/414,979.62 - Step 6: Final answer
x = 354,850.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.