Finding the Fourth Proportional to 330,054.68, 454,659.18 and 281,497.88
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Solution
The fourth proportional to 330,054.68, 454,659.18 and 281,497.88 is: 387,770.88
Step by Step Solution
- Step 1: Write the proportion equation
330,054.68 : 454,659.18 = 281,497.88 : x - Step 2: Convert to fraction form
330,054.68/454,659.18 = 281,497.88/x - Step 3: Cross multiply
330,054.68x = 454,659.18 × 281,497.88 - Step 4: Simplify right side
330,054.68x = 127,985,595,292.54 - Step 5: Solve for x
x = 127,985,595,292.54/330,054.68 - Step 6: Final answer
x = 387,770.88
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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.