Finding the Fourth Proportional to 68,146.04, 102,219.95 and 21,398.92
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Solution
The fourth proportional to 68,146.04, 102,219.95 and 21,398.92 is: 32,098.66
Step by Step Solution
- Step 1: Write the proportion equation
68,146.04 : 102,219.95 = 21,398.92 : x - Step 2: Convert to fraction form
68,146.04/102,219.95 = 21,398.92/x - Step 3: Cross multiply
68,146.04x = 102,219.95 × 21,398.92 - Step 4: Simplify right side
68,146.04x = 2,187,396,330.40 - Step 5: Solve for x
x = 2,187,396,330.40/68,146.04 - Step 6: Final answer
x = 32,098.66
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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.