Finding the Fourth Proportional to 316,662.66, 436,995.14 and 171,470.03
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Solution
The fourth proportional to 316,662.66, 436,995.14 and 171,470.03 is: 236,628.99
Step by Step Solution
- Step 1: Write the proportion equation
316,662.66 : 436,995.14 = 171,470.03 : x - Step 2: Convert to fraction form
316,662.66/436,995.14 = 171,470.03/x - Step 3: Cross multiply
316,662.66x = 436,995.14 × 171,470.03 - Step 4: Simplify right side
316,662.66x = 74,931,566,723.33 - Step 5: Solve for x
x = 74,931,566,723.33/316,662.66 - Step 6: Final answer
x = 236,628.99
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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.