Finding the Fourth Proportional to 284,104.60, 392,062.98 and 156,787.99
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Solution
The fourth proportional to 284,104.60, 392,062.98 and 156,787.99 is: 216,366.67
Step by Step Solution
- Step 1: Write the proportion equation
284,104.60 : 392,062.98 = 156,787.99 : x - Step 2: Convert to fraction form
284,104.60/392,062.98 = 156,787.99/x - Step 3: Cross multiply
284,104.60x = 392,062.98 × 156,787.99 - Step 4: Simplify right side
284,104.60x = 61,470,766,195.41 - Step 5: Solve for x
x = 61,470,766,195.41/284,104.60 - Step 6: Final answer
x = 216,366.67
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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.