Finding the Fourth Proportional to 306,495.36, 422,955.36 and 170,529.48
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Solution
The fourth proportional to 306,495.36, 422,955.36 and 170,529.48 is: 235,326.10
Step by Step Solution
- Step 1: Write the proportion equation
306,495.36 : 422,955.36 = 170,529.48 : x - Step 2: Convert to fraction form
306,495.36/422,955.36 = 170,529.48/x - Step 3: Cross multiply
306,495.36x = 422,955.36 × 170,529.48 - Step 4: Simplify right side
306,495.36x = 72,126,357,604.01 - Step 5: Solve for x
x = 72,126,357,604.01/306,495.36 - Step 6: Final answer
x = 235,326.10
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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.