Finding the Fourth Proportional to 354,458.84, 489,147.91 and 193,313.54
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Solution
The fourth proportional to 354,458.84, 489,147.91 and 193,313.54 is: 266,769.80
Step by Step Solution
- Step 1: Write the proportion equation
354,458.84 : 489,147.91 = 193,313.54 : x - Step 2: Convert to fraction form
354,458.84/489,147.91 = 193,313.54/x - Step 3: Cross multiply
354,458.84x = 489,147.91 × 193,313.54 - Step 4: Simplify right side
354,458.84x = 94,558,913,141.22 - Step 5: Solve for x
x = 94,558,913,141.22/354,458.84 - Step 6: Final answer
x = 266,769.80
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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.