Finding the Fourth Proportional to 325,104.84, 448,731.54 and 305,278.92
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Solution
The fourth proportional to 325,104.84, 448,731.54 and 305,278.92 is: 421,366.47
Step by Step Solution
- Step 1: Write the proportion equation
325,104.84 : 448,731.54 = 305,278.92 : x - Step 2: Convert to fraction form
325,104.84/448,731.54 = 305,278.92/x - Step 3: Cross multiply
325,104.84x = 448,731.54 × 305,278.92 - Step 4: Simplify right side
325,104.84x = 136,988,279,901.14 - Step 5: Solve for x
x = 136,988,279,901.14/325,104.84 - Step 6: Final answer
x = 421,366.47
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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.