Finding the Fourth Proportional to 146,305.60, 201,901.73 and 79,237.60
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Solution
The fourth proportional to 146,305.60, 201,901.73 and 79,237.60 is: 109,347.88
Step by Step Solution
- Step 1: Write the proportion equation
146,305.60 : 201,901.73 = 79,237.60 : x - Step 2: Convert to fraction form
146,305.60/201,901.73 = 79,237.60/x - Step 3: Cross multiply
146,305.60x = 201,901.73 × 79,237.60 - Step 4: Simplify right side
146,305.60x = 15,998,207,620.11 - Step 5: Solve for x
x = 15,998,207,620.11/146,305.60 - Step 6: Final answer
x = 109,347.88
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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.