Finding the Fourth Proportional to 918,921.71, 1,378,448.41 and 244,999.49
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Solution
The fourth proportional to 918,921.71, 1,378,448.41 and 244,999.49 is: 367,516.79
Step by Step Solution
- Step 1: Write the proportion equation
918,921.71 : 1,378,448.41 = 244,999.49 : x - Step 2: Convert to fraction form
918,921.71/1,378,448.41 = 244,999.49/x - Step 3: Cross multiply
918,921.71x = 1,378,448.41 × 244,999.49 - Step 4: Simplify right side
918,921.71x = 337,719,157,441.31 - Step 5: Solve for x
x = 337,719,157,441.31/918,921.71 - Step 6: Final answer
x = 367,516.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.