Finding the Fourth Proportional to 210,465.36, 315,744.84 and 60,694.08
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Solution
The fourth proportional to 210,465.36, 315,744.84 and 60,694.08 is: 91,054.62
Step by Step Solution
- Step 1: Write the proportion equation
210,465.36 : 315,744.84 = 60,694.08 : x - Step 2: Convert to fraction form
210,465.36/315,744.84 = 60,694.08/x - Step 3: Cross multiply
210,465.36x = 315,744.84 × 60,694.08 - Step 4: Simplify right side
210,465.36x = 19,163,842,578.55 - Step 5: Solve for x
x = 19,163,842,578.55/210,465.36 - Step 6: Final answer
x = 91,054.62
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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.