Finding the Fourth Proportional to 310,121.58, 465,275.79 and 96,880.88
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Solution
The fourth proportional to 310,121.58, 465,275.79 and 96,880.88 is: 145,350.50
Step by Step Solution
- Step 1: Write the proportion equation
310,121.58 : 465,275.79 = 96,880.88 : x - Step 2: Convert to fraction form
310,121.58/465,275.79 = 96,880.88/x - Step 3: Cross multiply
310,121.58x = 465,275.79 × 96,880.88 - Step 4: Simplify right side
310,121.58x = 45,076,325,651.52 - Step 5: Solve for x
x = 45,076,325,651.52/310,121.58 - Step 6: Final answer
x = 145,350.50
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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.