Finding the Fourth Proportional to 251,787.15, 377,683.97 and 74,296.71
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Solution
The fourth proportional to 251,787.15, 377,683.97 and 74,296.71 is: 111,446.02
Step by Step Solution
- Step 1: Write the proportion equation
251,787.15 : 377,683.97 = 74,296.71 : x - Step 2: Convert to fraction form
251,787.15/377,683.97 = 74,296.71/x - Step 3: Cross multiply
251,787.15x = 377,683.97 × 74,296.71 - Step 4: Simplify right side
251,787.15x = 28,060,676,019.26 - Step 5: Solve for x
x = 28,060,676,019.26/251,787.15 - Step 6: Final answer
x = 111,446.02
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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.