Finding the Fourth Proportional to 247,938.14, 342,154.60 and 147,336.14
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Solution
The fourth proportional to 247,938.14, 342,154.60 and 147,336.14 is: 203,323.85
Step by Step Solution
- Step 1: Write the proportion equation
247,938.14 : 342,154.60 = 147,336.14 : x - Step 2: Convert to fraction form
247,938.14/342,154.60 = 147,336.14/x - Step 3: Cross multiply
247,938.14x = 342,154.60 × 147,336.14 - Step 4: Simplify right side
247,938.14x = 50,411,738,047.24 - Step 5: Solve for x
x = 50,411,738,047.24/247,938.14 - Step 6: Final answer
x = 203,323.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.