Finding the Fourth Proportional to 314,737.20, 472,302.63 and 127,748.70
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Solution
The fourth proportional to 314,737.20, 472,302.63 and 127,748.70 is: 191,702.94
Step by Step Solution
- Step 1: Write the proportion equation
314,737.20 : 472,302.63 = 127,748.70 : x - Step 2: Convert to fraction form
314,737.20/472,302.63 = 127,748.70/x - Step 3: Cross multiply
314,737.20x = 472,302.63 × 127,748.70 - Step 4: Simplify right side
314,737.20x = 60,336,046,989.08 - Step 5: Solve for x
x = 60,336,046,989.08/314,737.20 - Step 6: Final answer
x = 191,702.94
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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.