Finding the Fourth Proportional to 268,579.77, 370,515.84 and 160,962.98
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Solution
The fourth proportional to 268,579.77, 370,515.84 and 160,962.98 is: 222,054.45
Step by Step Solution
- Step 1: Write the proportion equation
268,579.77 : 370,515.84 = 160,962.98 : x - Step 2: Convert to fraction form
268,579.77/370,515.84 = 160,962.98/x - Step 3: Cross multiply
268,579.77x = 370,515.84 × 160,962.98 - Step 4: Simplify right side
268,579.77x = 59,639,331,891.02 - Step 5: Solve for x
x = 59,639,331,891.02/268,579.77 - Step 6: Final answer
x = 222,054.45
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.