Finding the Fourth Proportional to 283,302.80, 424,912.08 and 105,787.52
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Solution
The fourth proportional to 283,302.80, 424,912.08 and 105,787.52 is: 158,665.55
Step by Step Solution
- Step 1: Write the proportion equation
283,302.80 : 424,912.08 = 105,787.52 : x - Step 2: Convert to fraction form
283,302.80/424,912.08 = 105,787.52/x - Step 3: Cross multiply
283,302.80x = 424,912.08 × 105,787.52 - Step 4: Simplify right side
283,302.80x = 44,950,395,161.24 - Step 5: Solve for x
x = 44,950,395,161.24/283,302.80 - Step 6: Final answer
x = 158,665.55
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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.