Finding the Fourth Proportional to 408,658.49, 612,981.57 and 183,860.18
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Solution
The fourth proportional to 408,658.49, 612,981.57 and 183,860.18 is: 275,787.50
Step by Step Solution
- Step 1: Write the proportion equation
408,658.49 : 612,981.57 = 183,860.18 : x - Step 2: Convert to fraction form
408,658.49/612,981.57 = 183,860.18/x - Step 3: Cross multiply
408,658.49x = 612,981.57 × 183,860.18 - Step 4: Simplify right side
408,658.49x = 112,702,901,796.88 - Step 5: Solve for x
x = 112,702,901,796.88/408,658.49 - Step 6: Final answer
x = 275,787.50
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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.