Finding the Fourth Proportional to 341,787.95, 471,800.23 and 305,915.68
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Solution
The fourth proportional to 341,787.95, 471,800.23 and 305,915.68 is: 422,282.56
Step by Step Solution
- Step 1: Write the proportion equation
341,787.95 : 471,800.23 = 305,915.68 : x - Step 2: Convert to fraction form
341,787.95/471,800.23 = 305,915.68/x - Step 3: Cross multiply
341,787.95x = 471,800.23 × 305,915.68 - Step 4: Simplify right side
341,787.95x = 144,331,088,000.48 - Step 5: Solve for x
x = 144,331,088,000.48/341,787.95 - Step 6: Final answer
x = 422,282.56
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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.