Finding the Fourth Proportional to 141,679.41, 212,518.90 and 97,171.23
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Solution
The fourth proportional to 141,679.41, 212,518.90 and 97,171.23 is: 145,756.70
Step by Step Solution
- Step 1: Write the proportion equation
141,679.41 : 212,518.90 = 97,171.23 : x - Step 2: Convert to fraction form
141,679.41/212,518.90 = 97,171.23/x - Step 3: Cross multiply
141,679.41x = 212,518.90 × 97,171.23 - Step 4: Simplify right side
141,679.41x = 20,650,722,911.25 - Step 5: Solve for x
x = 20,650,722,911.25/141,679.41 - Step 6: Final answer
x = 145,756.70
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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.