Finding the Fourth Proportional to 284,447.08, 392,529.54 and 157,102.12
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Solution
The fourth proportional to 284,447.08, 392,529.54 and 157,102.12 is: 216,796.82
Step by Step Solution
- Step 1: Write the proportion equation
284,447.08 : 392,529.54 = 157,102.12 : x - Step 2: Convert to fraction form
284,447.08/392,529.54 = 157,102.12/x - Step 3: Cross multiply
284,447.08x = 392,529.54 × 157,102.12 - Step 4: Simplify right side
284,447.08x = 61,667,222,896.62 - Step 5: Solve for x
x = 61,667,222,896.62/284,447.08 - Step 6: Final answer
x = 216,796.82
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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.