Finding the Fourth Proportional to 248,319.80, 372,479.70 and 195,175.70
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Solution
The fourth proportional to 248,319.80, 372,479.70 and 195,175.70 is: 292,763.55
Step by Step Solution
- Step 1: Write the proportion equation
248,319.80 : 372,479.70 = 195,175.70 : x - Step 2: Convert to fraction form
248,319.80/372,479.70 = 195,175.70/x - Step 3: Cross multiply
248,319.80x = 372,479.70 × 195,175.70 - Step 4: Simplify right side
248,319.80x = 72,698,986,183.29 - Step 5: Solve for x
x = 72,698,986,183.29/248,319.80 - Step 6: Final answer
x = 292,763.55
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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.