Finding the Fourth Proportional to 318,236.73, 477,281.18 and 93,537.06
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Solution
The fourth proportional to 318,236.73, 477,281.18 and 93,537.06 is: 140,283.86
Step by Step Solution
- Step 1: Write the proportion equation
318,236.73 : 477,281.18 = 93,537.06 : x - Step 2: Convert to fraction form
318,236.73/477,281.18 = 93,537.06/x - Step 3: Cross multiply
318,236.73x = 477,281.18 × 93,537.06 - Step 4: Simplify right side
318,236.73x = 44,643,477,902.85 - Step 5: Solve for x
x = 44,643,477,902.85/318,236.73 - Step 6: Final answer
x = 140,283.86
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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.