Finding the Fourth Proportional to 134,539.80, 201,809.70 and 36,043.80
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Solution
The fourth proportional to 134,539.80, 201,809.70 and 36,043.80 is: 54,065.70
Step by Step Solution
- Step 1: Write the proportion equation
134,539.80 : 201,809.70 = 36,043.80 : x - Step 2: Convert to fraction form
134,539.80/201,809.70 = 36,043.80/x - Step 3: Cross multiply
134,539.80x = 201,809.70 × 36,043.80 - Step 4: Simplify right side
134,539.80x = 7,273,988,464.86 - Step 5: Solve for x
x = 7,273,988,464.86/134,539.80 - Step 6: Final answer
x = 54,065.70
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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.