Finding the Fourth Proportional to 310,542.30, 465,481.26 and 160,631.70
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Solution
The fourth proportional to 310,542.30, 465,481.26 and 160,631.70 is: 240,775.72
Step by Step Solution
- Step 1: Write the proportion equation
310,542.30 : 465,481.26 = 160,631.70 : x - Step 2: Convert to fraction form
310,542.30/465,481.26 = 160,631.70/x - Step 3: Cross multiply
310,542.30x = 465,481.26 × 160,631.70 - Step 4: Simplify right side
310,542.30x = 74,771,046,111.94 - Step 5: Solve for x
x = 74,771,046,111.94/310,542.30 - Step 6: Final answer
x = 240,775.72
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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.