Finding the Fourth Proportional to 257,704.05, 386,052.62 and 177,552.93
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Solution
The fourth proportional to 257,704.05, 386,052.62 and 177,552.93 is: 265,982.52
Step by Step Solution
- Step 1: Write the proportion equation
257,704.05 : 386,052.62 = 177,552.93 : x - Step 2: Convert to fraction form
257,704.05/386,052.62 = 177,552.93/x - Step 3: Cross multiply
257,704.05x = 386,052.62 × 177,552.93 - Step 4: Simplify right side
257,704.05x = 68,544,772,927.41 - Step 5: Solve for x
x = 68,544,772,927.41/257,704.05 - Step 6: Final answer
x = 265,982.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.