Finding the Fourth Proportional to 153,812.46, 230,717.26 and 48,631.44
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Solution
The fourth proportional to 153,812.46, 230,717.26 and 48,631.44 is: 72,946.71
Step by Step Solution
- Step 1: Write the proportion equation
153,812.46 : 230,717.26 = 48,631.44 : x - Step 2: Convert to fraction form
153,812.46/230,717.26 = 48,631.44/x - Step 3: Cross multiply
153,812.46x = 230,717.26 × 48,631.44 - Step 4: Simplify right side
153,812.46x = 11,220,112,586.65 - Step 5: Solve for x
x = 11,220,112,586.65/153,812.46 - Step 6: Final answer
x = 72,946.71
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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.