Finding the Fourth Proportional to 118,671.30, 178,072.47 and 48,599.70
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Solution
The fourth proportional to 118,671.30, 178,072.47 and 48,599.70 is: 72,926.38
Step by Step Solution
- Step 1: Write the proportion equation
118,671.30 : 178,072.47 = 48,599.70 : x - Step 2: Convert to fraction form
118,671.30/178,072.47 = 48,599.70/x - Step 3: Cross multiply
118,671.30x = 178,072.47 × 48,599.70 - Step 4: Simplify right side
118,671.30x = 8,654,268,620.26 - Step 5: Solve for x
x = 8,654,268,620.26/118,671.30 - Step 6: Final answer
x = 72,926.38
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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.