Finding the Fourth Proportional to 156,346.74, 234,427.50 and 88,771.68
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Solution
The fourth proportional to 156,346.74, 234,427.50 and 88,771.68 is: 133,104.94
Step by Step Solution
- Step 1: Write the proportion equation
156,346.74 : 234,427.50 = 88,771.68 : x - Step 2: Convert to fraction form
156,346.74/234,427.50 = 88,771.68/x - Step 3: Cross multiply
156,346.74x = 234,427.50 × 88,771.68 - Step 4: Simplify right side
156,346.74x = 20,810,523,013.20 - Step 5: Solve for x
x = 20,810,523,013.20/156,346.74 - Step 6: Final answer
x = 133,104.94
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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.