Finding the Fourth Proportional to 229,003.65, 315,693.18 and 160,812.99
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Solution
The fourth proportional to 229,003.65, 315,693.18 and 160,812.99 is: 221,688.89
Step by Step Solution
- Step 1: Write the proportion equation
229,003.65 : 315,693.18 = 160,812.99 : x - Step 2: Convert to fraction form
229,003.65/315,693.18 = 160,812.99/x - Step 3: Cross multiply
229,003.65x = 315,693.18 × 160,812.99 - Step 4: Simplify right side
229,003.65x = 50,767,564,198.41 - Step 5: Solve for x
x = 50,767,564,198.41/229,003.65 - Step 6: Final answer
x = 221,688.89
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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.