Finding the Fourth Proportional to 393,022.08, 589,039.68 and 168,117.96
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Solution
The fourth proportional to 393,022.08, 589,039.68 and 168,117.96 is: 251,965.87
Step by Step Solution
- Step 1: Write the proportion equation
393,022.08 : 589,039.68 = 168,117.96 : x - Step 2: Convert to fraction form
393,022.08/589,039.68 = 168,117.96/x - Step 3: Cross multiply
393,022.08x = 589,039.68 × 168,117.96 - Step 4: Simplify right side
393,022.08x = 99,028,149,360.65 - Step 5: Solve for x
x = 99,028,149,360.65/393,022.08 - Step 6: Final answer
x = 251,965.87
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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.