Finding the Fourth Proportional to 150,034.20, 207,066.78 and 86,374.68
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Solution
The fourth proportional to 150,034.20, 207,066.78 and 86,374.68 is: 119,208.33
Step by Step Solution
- Step 1: Write the proportion equation
150,034.20 : 207,066.78 = 86,374.68 : x - Step 2: Convert to fraction form
150,034.20/207,066.78 = 86,374.68/x - Step 3: Cross multiply
150,034.20x = 207,066.78 × 86,374.68 - Step 4: Simplify right side
150,034.20x = 17,885,326,861.13 - Step 5: Solve for x
x = 17,885,326,861.13/150,034.20 - Step 6: Final answer
x = 119,208.33
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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.