Finding the Fourth Proportional to 313,244.64, 432,277.44 and 177,276.12
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Solution
The fourth proportional to 313,244.64, 432,277.44 and 177,276.12 is: 244,640.95
Step by Step Solution
- Step 1: Write the proportion equation
313,244.64 : 432,277.44 = 177,276.12 : x - Step 2: Convert to fraction form
313,244.64/432,277.44 = 177,276.12/x - Step 3: Cross multiply
313,244.64x = 432,277.44 × 177,276.12 - Step 4: Simplify right side
313,244.64x = 76,632,467,326.73 - Step 5: Solve for x
x = 76,632,467,326.73/313,244.64 - Step 6: Final answer
x = 244,640.95
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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.