Finding the Fourth Proportional to 445,670.73, 614,970.36 and 284,620.05
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Solution
The fourth proportional to 445,670.73, 614,970.36 and 284,620.05 is: 392,740.39
Step by Step Solution
- Step 1: Write the proportion equation
445,670.73 : 614,970.36 = 284,620.05 : x - Step 2: Convert to fraction form
445,670.73/614,970.36 = 284,620.05/x - Step 3: Cross multiply
445,670.73x = 614,970.36 × 284,620.05 - Step 4: Simplify right side
445,670.73x = 175,032,894,611.72 - Step 5: Solve for x
x = 175,032,894,611.72/445,670.73 - Step 6: Final answer
x = 392,740.39
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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.