Finding the Fourth Proportional to 118,575.47, 177,863.51 and 48,454.79
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Solution
The fourth proportional to 118,575.47, 177,863.51 and 48,454.79 is: 72,682.31
Step by Step Solution
- Step 1: Write the proportion equation
118,575.47 : 177,863.51 = 48,454.79 : x - Step 2: Convert to fraction form
118,575.47/177,863.51 = 48,454.79/x - Step 3: Cross multiply
118,575.47x = 177,863.51 × 48,454.79 - Step 4: Simplify right side
118,575.47x = 8,618,338,783.44 - Step 5: Solve for x
x = 8,618,338,783.44/118,575.47 - Step 6: Final answer
x = 72,682.31
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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.