Finding the Fourth Proportional to 150,549.76, 207,743.70 and 86,908.06
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Solution
The fourth proportional to 150,549.76, 207,743.70 and 86,908.06 is: 119,924.48
Step by Step Solution
- Step 1: Write the proportion equation
150,549.76 : 207,743.70 = 86,908.06 : x - Step 2: Convert to fraction form
150,549.76/207,743.70 = 86,908.06/x - Step 3: Cross multiply
150,549.76x = 207,743.70 × 86,908.06 - Step 4: Simplify right side
150,549.76x = 18,054,601,944.22 - Step 5: Solve for x
x = 18,054,601,944.22/150,549.76 - Step 6: Final answer
x = 119,924.48
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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.