Finding the Fourth Proportional to 246,621.20, 369,715.80 and 167,478.80
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Solution
The fourth proportional to 246,621.20, 369,715.80 and 167,478.80 is: 251,071.52
Step by Step Solution
- Step 1: Write the proportion equation
246,621.20 : 369,715.80 = 167,478.80 : x - Step 2: Convert to fraction form
246,621.20/369,715.80 = 167,478.80/x - Step 3: Cross multiply
246,621.20x = 369,715.80 × 167,478.80 - Step 4: Simplify right side
246,621.20x = 61,919,558,525.04 - Step 5: Solve for x
x = 61,919,558,525.04/246,621.20 - Step 6: Final answer
x = 251,071.52
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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.