Finding the Fourth Proportional to 113,074.62, 169,689.70 and 39,202.62
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Solution
The fourth proportional to 113,074.62, 169,689.70 and 39,202.62 is: 58,830.89
Step by Step Solution
- Step 1: Write the proportion equation
113,074.62 : 169,689.70 = 39,202.62 : x - Step 2: Convert to fraction form
113,074.62/169,689.70 = 39,202.62/x - Step 3: Cross multiply
113,074.62x = 169,689.70 × 39,202.62 - Step 4: Simplify right side
113,074.62x = 6,652,280,827.01 - Step 5: Solve for x
x = 6,652,280,827.01/113,074.62 - Step 6: Final answer
x = 58,830.89
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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.