Finding the Fourth Proportional to 146,356.20, 201,897.58 and 97,960.15
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Solution
The fourth proportional to 146,356.20, 201,897.58 and 97,960.15 is: 135,135.49
Step by Step Solution
- Step 1: Write the proportion equation
146,356.20 : 201,897.58 = 97,960.15 : x - Step 2: Convert to fraction form
146,356.20/201,897.58 = 97,960.15/x - Step 3: Cross multiply
146,356.20x = 201,897.58 × 97,960.15 - Step 4: Simplify right side
146,356.20x = 19,777,915,967.05 - Step 5: Solve for x
x = 19,777,915,967.05/146,356.20 - Step 6: Final answer
x = 135,135.49
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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.