Finding the Fourth Proportional to 246,265.46, 369,419.14 and 77,740.70
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Solution
The fourth proportional to 246,265.46, 369,419.14 and 77,740.70 is: 116,617.66
Step by Step Solution
- Step 1: Write the proportion equation
246,265.46 : 369,419.14 = 77,740.70 : x - Step 2: Convert to fraction form
246,265.46/369,419.14 = 77,740.70/x - Step 3: Cross multiply
246,265.46x = 369,419.14 × 77,740.70 - Step 4: Simplify right side
246,265.46x = 28,718,902,537.00 - Step 5: Solve for x
x = 28,718,902,537.00/246,265.46 - Step 6: Final answer
x = 116,617.66
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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.