Finding the Fourth Proportional to 245,324.80, 367,987.20 and 170,675.20
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Solution
The fourth proportional to 245,324.80, 367,987.20 and 170,675.20 is: 256,012.80
Step by Step Solution
- Step 1: Write the proportion equation
245,324.80 : 367,987.20 = 170,675.20 : x - Step 2: Convert to fraction form
245,324.80/367,987.20 = 170,675.20/x - Step 3: Cross multiply
245,324.80x = 367,987.20 × 170,675.20 - Step 4: Simplify right side
245,324.80x = 62,806,288,957.44 - Step 5: Solve for x
x = 62,806,288,957.44/245,324.80 - Step 6: Final answer
x = 256,012.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.