Finding the Fourth Proportional to 306,279.24, 422,675.02 and 170,318.92
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Solution
The fourth proportional to 306,279.24, 422,675.02 and 170,318.92 is: 235,045.48
Step by Step Solution
- Step 1: Write the proportion equation
306,279.24 : 422,675.02 = 170,318.92 : x - Step 2: Convert to fraction form
306,279.24/422,675.02 = 170,318.92/x - Step 3: Cross multiply
306,279.24x = 422,675.02 × 170,318.92 - Step 4: Simplify right side
306,279.24x = 71,989,552,700.58 - Step 5: Solve for x
x = 71,989,552,700.58/306,279.24 - Step 6: Final answer
x = 235,045.48
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1.5x scale
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.