Finding the Fourth Proportional to 285,052.24, 427,702.37 and 178,679.95
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Solution
The fourth proportional to 285,052.24, 427,702.37 and 178,679.95 is: 268,097.66
Step by Step Solution
- Step 1: Write the proportion equation
285,052.24 : 427,702.37 = 178,679.95 : x - Step 2: Convert to fraction form
285,052.24/427,702.37 = 178,679.95/x - Step 3: Cross multiply
285,052.24x = 427,702.37 × 178,679.95 - Step 4: Simplify right side
285,052.24x = 76,421,838,086.48 - Step 5: Solve for x
x = 76,421,838,086.48/285,052.24 - Step 6: Final answer
x = 268,097.66
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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.