Finding the Fourth Proportional to 245,732.63, 368,599.11 and 68,239.67
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Solution
The fourth proportional to 245,732.63, 368,599.11 and 68,239.67 is: 102,359.55
Step by Step Solution
- Step 1: Write the proportion equation
245,732.63 : 368,599.11 = 68,239.67 : x - Step 2: Convert to fraction form
245,732.63/368,599.11 = 68,239.67/x - Step 3: Cross multiply
245,732.63x = 368,599.11 × 68,239.67 - Step 4: Simplify right side
245,732.63x = 25,153,081,628.69 - Step 5: Solve for x
x = 25,153,081,628.69/245,732.63 - Step 6: Final answer
x = 102,359.55
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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.