Finding the Fourth Proportional to 388,161.24, 582,265.10 and 121,921.74
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Solution
The fourth proportional to 388,161.24, 582,265.10 and 121,921.74 is: 182,889.91
Step by Step Solution
- Step 1: Write the proportion equation
388,161.24 : 582,265.10 = 121,921.74 : x - Step 2: Convert to fraction form
388,161.24/582,265.10 = 121,921.74/x - Step 3: Cross multiply
388,161.24x = 582,265.10 × 121,921.74 - Step 4: Simplify right side
388,161.24x = 70,990,774,438.08 - Step 5: Solve for x
x = 70,990,774,438.08/388,161.24 - Step 6: Final answer
x = 182,889.91
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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.