Finding the Fourth Proportional to 163,747.56, 244,689.06 and 122,955.12
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Solution
The fourth proportional to 163,747.56, 244,689.06 and 122,955.12 is: 183,732.65
Step by Step Solution
- Step 1: Write the proportion equation
163,747.56 : 244,689.06 = 122,955.12 : x - Step 2: Convert to fraction form
163,747.56/244,689.06 = 122,955.12/x - Step 3: Cross multiply
163,747.56x = 244,689.06 × 122,955.12 - Step 4: Simplify right side
163,747.56x = 30,085,772,734.99 - Step 5: Solve for x
x = 30,085,772,734.99/163,747.56 - Step 6: Final answer
x = 183,732.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.