Finding the Fourth Proportional to 160,056.18, 240,234.96 and 81,226.98
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Solution
The fourth proportional to 160,056.18, 240,234.96 and 81,226.98 is: 121,916.94
Step by Step Solution
- Step 1: Write the proportion equation
160,056.18 : 240,234.96 = 81,226.98 : x - Step 2: Convert to fraction form
160,056.18/240,234.96 = 81,226.98/x - Step 3: Cross multiply
160,056.18x = 240,234.96 × 81,226.98 - Step 4: Simplify right side
160,056.18x = 19,513,560,291.22 - Step 5: Solve for x
x = 19,513,560,291.22/160,056.18 - Step 6: Final answer
x = 121,916.94
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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.