Finding the Fourth Proportional to 477,450.65, 715,214.36 and 220,921.68
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Solution
The fourth proportional to 477,450.65, 715,214.36 and 220,921.68 is: 330,937.56
Step by Step Solution
- Step 1: Write the proportion equation
477,450.65 : 715,214.36 = 220,921.68 : x - Step 2: Convert to fraction form
477,450.65/715,214.36 = 220,921.68/x - Step 3: Cross multiply
477,450.65x = 715,214.36 × 220,921.68 - Step 4: Simplify right side
477,450.65x = 158,006,355,939.92 - Step 5: Solve for x
x = 158,006,355,939.92/477,450.65 - Step 6: Final answer
x = 330,937.56
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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.