Finding the Fourth Proportional to 268,431.84, 402,352.49 and 110,574.18
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Solution
The fourth proportional to 268,431.84, 402,352.49 and 110,574.18 is: 165,739.64
Step by Step Solution
- Step 1: Write the proportion equation
268,431.84 : 402,352.49 = 110,574.18 : x - Step 2: Convert to fraction form
268,431.84/402,352.49 = 110,574.18/x - Step 3: Cross multiply
268,431.84x = 402,352.49 × 110,574.18 - Step 4: Simplify right side
268,431.84x = 44,489,796,929.14 - Step 5: Solve for x
x = 44,489,796,929.14/268,431.84 - Step 6: Final answer
x = 165,739.64
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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.