Finding the Fourth Proportional to 379,964.64, 524,366.64 and 210,195.84
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Solution
The fourth proportional to 379,964.64, 524,366.64 and 210,195.84 is: 290,078.80
Step by Step Solution
- Step 1: Write the proportion equation
379,964.64 : 524,366.64 = 210,195.84 : x - Step 2: Convert to fraction form
379,964.64/524,366.64 = 210,195.84/x - Step 3: Cross multiply
379,964.64x = 524,366.64 × 210,195.84 - Step 4: Simplify right side
379,964.64x = 110,219,686,362.78 - Step 5: Solve for x
x = 110,219,686,362.78/379,964.64 - Step 6: Final answer
x = 290,078.80
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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.