Finding the Fourth Proportional to 291,964.51, 402,984.42 and 164,713.92
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Solution
The fourth proportional to 291,964.51, 402,984.42 and 164,713.92 is: 227,346.62
Step by Step Solution
- Step 1: Write the proportion equation
291,964.51 : 402,984.42 = 164,713.92 : x - Step 2: Convert to fraction form
291,964.51/402,984.42 = 164,713.92/x - Step 3: Cross multiply
291,964.51x = 402,984.42 × 164,713.92 - Step 4: Simplify right side
291,964.51x = 66,377,143,517.13 - Step 5: Solve for x
x = 66,377,143,517.13/291,964.51 - Step 6: Final answer
x = 227,346.62
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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.