Finding the Fourth Proportional to 312,243.60, 468,219.36 and 112,537.68
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Solution
The fourth proportional to 312,243.60, 468,219.36 and 112,537.68 is: 168,753.88
Step by Step Solution
- Step 1: Write the proportion equation
312,243.60 : 468,219.36 = 112,537.68 : x - Step 2: Convert to fraction form
312,243.60/468,219.36 = 112,537.68/x - Step 3: Cross multiply
312,243.60x = 468,219.36 × 112,537.68 - Step 4: Simplify right side
312,243.60x = 52,692,320,505.48 - Step 5: Solve for x
x = 52,692,320,505.48/312,243.60 - Step 6: Final answer
x = 168,753.88
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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.