Finding the Fourth Proportional to 355,030.44, 489,943.81 and 193,885.49
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Solution
The fourth proportional to 355,030.44, 489,943.81 and 193,885.49 is: 267,562.95
Step by Step Solution
- Step 1: Write the proportion equation
355,030.44 : 489,943.81 = 193,885.49 : x - Step 2: Convert to fraction form
355,030.44/489,943.81 = 193,885.49/x - Step 3: Cross multiply
355,030.44x = 489,943.81 × 193,885.49 - Step 4: Simplify right side
355,030.44x = 94,992,993,014.99 - Step 5: Solve for x
x = 94,992,993,014.99/355,030.44 - Step 6: Final answer
x = 267,562.95
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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.