Finding the Fourth Proportional to 240,523.12, 331,920.36 and 133,091.12
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Solution
The fourth proportional to 240,523.12, 331,920.36 and 133,091.12 is: 183,664.89
Step by Step Solution
- Step 1: Write the proportion equation
240,523.12 : 331,920.36 = 133,091.12 : x - Step 2: Convert to fraction form
240,523.12/331,920.36 = 133,091.12/x - Step 3: Cross multiply
240,523.12x = 331,920.36 × 133,091.12 - Step 4: Simplify right side
240,523.12x = 44,175,652,463.20 - Step 5: Solve for x
x = 44,175,652,463.20/240,523.12 - Step 6: Final answer
x = 183,664.89
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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.