Finding the Fourth Proportional to 134,639.70, 201,959.55 and 41,133.30
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Solution
The fourth proportional to 134,639.70, 201,959.55 and 41,133.30 is: 61,699.95
Step by Step Solution
- Step 1: Write the proportion equation
134,639.70 : 201,959.55 = 41,133.30 : x - Step 2: Convert to fraction form
134,639.70/201,959.55 = 41,133.30/x - Step 3: Cross multiply
134,639.70x = 201,959.55 × 41,133.30 - Step 4: Simplify right side
134,639.70x = 8,307,262,758.02 - Step 5: Solve for x
x = 8,307,262,758.02/134,639.70 - Step 6: Final answer
x = 61,699.95
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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.