Finding the Fourth Proportional to 134,517.70, 201,703.65 and 55,542.70
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Solution
The fourth proportional to 134,517.70, 201,703.65 and 55,542.70 is: 83,283.95
Step by Step Solution
- Step 1: Write the proportion equation
134,517.70 : 201,703.65 = 55,542.70 : x - Step 2: Convert to fraction form
134,517.70/201,703.65 = 55,542.70/x - Step 3: Cross multiply
134,517.70x = 201,703.65 × 55,542.70 - Step 4: Simplify right side
134,517.70x = 11,203,165,320.86 - Step 5: Solve for x
x = 11,203,165,320.86/134,517.70 - Step 6: Final answer
x = 83,283.95
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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.