Finding the Fourth Proportional to 134,729.67, 202,219.65 and 68,216.93
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Solution
The fourth proportional to 134,729.67, 202,219.65 and 68,216.93 is: 102,388.75
Step by Step Solution
- Step 1: Write the proportion equation
134,729.67 : 202,219.65 = 68,216.93 : x - Step 2: Convert to fraction form
134,729.67/202,219.65 = 68,216.93/x - Step 3: Cross multiply
134,729.67x = 202,219.65 × 68,216.93 - Step 4: Simplify right side
134,729.67x = 13,794,802,697.58 - Step 5: Solve for x
x = 13,794,802,697.58/134,729.67 - Step 6: Final answer
x = 102,388.75
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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.