Finding the Fourth Proportional to 354,193.84, 488,787.87 and 193,049.02
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Solution
The fourth proportional to 354,193.84, 488,787.87 and 193,049.02 is: 266,407.85
Step by Step Solution
- Step 1: Write the proportion equation
354,193.84 : 488,787.87 = 193,049.02 : x - Step 2: Convert to fraction form
354,193.84/488,787.87 = 193,049.02/x - Step 3: Cross multiply
354,193.84x = 488,787.87 × 193,049.02 - Step 4: Simplify right side
354,193.84x = 94,360,019,291.39 - Step 5: Solve for x
x = 94,360,019,291.39/354,193.84 - Step 6: Final answer
x = 266,407.85
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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.