Finding the Fourth Proportional to 306,220,308.81, 422,584,694.57 and 174,062,114.97
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Solution
The fourth proportional to 306,220,308.81, 422,584,694.57 and 174,062,114.97 is: 240,206,098.60
Step by Step Solution
- Step 1: Write the proportion equation
306,220,308.81 : 422,584,694.57 = 174,062,114.97 : x - Step 2: Convert to fraction form
306,220,308.81/422,584,694.57 = 174,062,114.97/x - Step 3: Cross multiply
306,220,308.81x = 422,584,694.57 × 174,062,114.97 - Step 4: Simplify right side
306,220,308.81x = 73,555,985,689,935,360 - Step 5: Solve for x
x = 73,555,985,689,935,360/306,220,308.81 - Step 6: Final answer
x = 240,206,098.60
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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.