Finding the Fourth Proportional to 427,812.24, 590,387.88 and 234,216.71
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Solution
The fourth proportional to 427,812.24, 590,387.88 and 234,216.71 is: 323,222.88
Step by Step Solution
- Step 1: Write the proportion equation
427,812.24 : 590,387.88 = 234,216.71 : x - Step 2: Convert to fraction form
427,812.24/590,387.88 = 234,216.71/x - Step 3: Cross multiply
427,812.24x = 590,387.88 × 234,216.71 - Step 4: Simplify right side
427,812.24x = 138,278,705,706.39 - Step 5: Solve for x
x = 138,278,705,706.39/427,812.24 - Step 6: Final answer
x = 323,222.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.