Finding the Fourth Proportional to 354,529.28, 489,232.42 and 193,383.02
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Solution
The fourth proportional to 354,529.28, 489,232.42 and 193,383.02 is: 266,858.75
Step by Step Solution
- Step 1: Write the proportion equation
354,529.28 : 489,232.42 = 193,383.02 : x - Step 2: Convert to fraction form
354,529.28/489,232.42 = 193,383.02/x - Step 3: Cross multiply
354,529.28x = 489,232.42 × 193,383.02 - Step 4: Simplify right side
354,529.28x = 94,609,239,931.89 - Step 5: Solve for x
x = 94,609,239,931.89/354,529.28 - Step 6: Final answer
x = 266,858.75
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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.