Finding the Fourth Proportional to 306,021,546.24, 422,324,673.84 and 172,101,602.40
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Solution
The fourth proportional to 306,021,546.24, 422,324,673.84 and 172,101,602.40 is: 237,508,613.34
Step by Step Solution
- Step 1: Write the proportion equation
306,021,546.24 : 422,324,673.84 = 172,101,602.40 : x - Step 2: Convert to fraction form
306,021,546.24/422,324,673.84 = 172,101,602.40/x - Step 3: Cross multiply
306,021,546.24x = 422,324,673.84 × 172,101,602.40 - Step 4: Simplify right side
306,021,546.24x = 72,682,753,100,921,360 - Step 5: Solve for x
x = 72,682,753,100,921,360/306,021,546.24 - Step 6: Final answer
x = 237,508,613.34
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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.