Finding the Fourth Proportional to 306,466,390.56, 422,932,550.49 and 167,246,119.74
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Solution
The fourth proportional to 306,466,390.56, 422,932,550.49 and 167,246,119.74 is: 230,804,519.39
Step by Step Solution
- Step 1: Write the proportion equation
306,466,390.56 : 422,932,550.49 = 167,246,119.74 : x - Step 2: Convert to fraction form
306,466,390.56/422,932,550.49 = 167,246,119.74/x - Step 3: Cross multiply
306,466,390.56x = 422,932,550.49 × 167,246,119.74 - Step 4: Simplify right side
306,466,390.56x = 70,733,827,981,194,144 - Step 5: Solve for x
x = 70,733,827,981,194,144/306,466,390.56 - Step 6: Final answer
x = 230,804,519.39
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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.