Finding the Fourth Proportional to 238,107.16, 328,503.90 and 146,194.84
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Solution
The fourth proportional to 238,107.16, 328,503.90 and 146,194.84 is: 201,697.32
Step by Step Solution
- Step 1: Write the proportion equation
238,107.16 : 328,503.90 = 146,194.84 : x - Step 2: Convert to fraction form
238,107.16/328,503.90 = 146,194.84/x - Step 3: Cross multiply
238,107.16x = 328,503.90 × 146,194.84 - Step 4: Simplify right side
238,107.16x = 48,025,575,099.88 - Step 5: Solve for x
x = 48,025,575,099.88/238,107.16 - Step 6: Final answer
x = 201,697.32
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1.5x scale
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.