Finding the Fourth Proportional to 172,994.62, 238,740.87 and 97,541.50
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Solution
The fourth proportional to 172,994.62, 238,740.87 and 97,541.50 is: 134,611.95
Step by Step Solution
- Step 1: Write the proportion equation
172,994.62 : 238,740.87 = 97,541.50 : x - Step 2: Convert to fraction form
172,994.62/238,740.87 = 97,541.50/x - Step 3: Cross multiply
172,994.62x = 238,740.87 × 97,541.50 - Step 4: Simplify right side
172,994.62x = 23,287,142,571.11 - Step 5: Solve for x
x = 23,287,142,571.11/172,994.62 - Step 6: Final answer
x = 134,611.95
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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.