Finding the Fourth Proportional to 155,283.45, 232,979.84 and 76,453.03
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Solution
The fourth proportional to 155,283.45, 232,979.84 and 76,453.03 is: 114,706.46
Step by Step Solution
- Step 1: Write the proportion equation
155,283.45 : 232,979.84 = 76,453.03 : x - Step 2: Convert to fraction form
155,283.45/232,979.84 = 76,453.03/x - Step 3: Cross multiply
155,283.45x = 232,979.84 × 76,453.03 - Step 4: Simplify right side
155,283.45x = 17,812,014,696.92 - Step 5: Solve for x
x = 17,812,014,696.92/155,283.45 - Step 6: Final answer
x = 114,706.46
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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.