Finding the Fourth Proportional to 416,497.76, 574,767.18 and 225,511.28
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Solution
The fourth proportional to 416,497.76, 574,767.18 and 225,511.28 is: 311,205.71
Step by Step Solution
- Step 1: Write the proportion equation
416,497.76 : 574,767.18 = 225,511.28 : x - Step 2: Convert to fraction form
416,497.76/574,767.18 = 225,511.28/x - Step 3: Cross multiply
416,497.76x = 574,767.18 × 225,511.28 - Step 4: Simplify right side
416,497.76x = 129,616,482,463.79 - Step 5: Solve for x
x = 129,616,482,463.79/416,497.76 - Step 6: Final answer
x = 311,205.71
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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.