Finding the Fourth Proportional to 246,511.20, 369,110.70 and 157,281.60
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Solution
The fourth proportional to 246,511.20, 369,110.70 and 157,281.60 is: 235,503.79
Step by Step Solution
- Step 1: Write the proportion equation
246,511.20 : 369,110.70 = 157,281.60 : x - Step 2: Convert to fraction form
246,511.20/369,110.70 = 157,281.60/x - Step 3: Cross multiply
246,511.20x = 369,110.70 × 157,281.60 - Step 4: Simplify right side
246,511.20x = 58,054,321,473.12 - Step 5: Solve for x
x = 58,054,321,473.12/246,511.20 - Step 6: Final answer
x = 235,503.79
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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.