Finding the Fourth Proportional to 388,264.68, 582,396.84 and 107,781.84
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Solution
The fourth proportional to 388,264.68, 582,396.84 and 107,781.84 is: 161,672.71
Step by Step Solution
- Step 1: Write the proportion equation
388,264.68 : 582,396.84 = 107,781.84 : x - Step 2: Convert to fraction form
388,264.68/582,396.84 = 107,781.84/x - Step 3: Cross multiply
388,264.68x = 582,396.84 × 107,781.84 - Step 4: Simplify right side
388,264.68x = 62,771,803,025.39 - Step 5: Solve for x
x = 62,771,803,025.39/388,264.68 - Step 6: Final answer
x = 161,672.71
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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.