Finding the Fourth Proportional to 388,257.96, 582,390.20 and 107,797.08
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Solution
The fourth proportional to 388,257.96, 582,390.20 and 107,797.08 is: 161,696.53
Step by Step Solution
- Step 1: Write the proportion equation
388,257.96 : 582,390.20 = 107,797.08 : x - Step 2: Convert to fraction form
388,257.96/582,390.20 = 107,797.08/x - Step 3: Cross multiply
388,257.96x = 582,390.20 × 107,797.08 - Step 4: Simplify right side
388,257.96x = 62,779,962,980.62 - Step 5: Solve for x
x = 62,779,962,980.62/388,257.96 - Step 6: Final answer
x = 161,696.53
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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.