Finding the Fourth Proportional to 149,748.11, 206,627.99 and 88,485.77
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Solution
The fourth proportional to 149,748.11, 206,627.99 and 88,485.77 is: 122,095.95
Step by Step Solution
- Step 1: Write the proportion equation
149,748.11 : 206,627.99 = 88,485.77 : x - Step 2: Convert to fraction form
149,748.11/206,627.99 = 88,485.77/x - Step 3: Cross multiply
149,748.11x = 206,627.99 × 88,485.77 - Step 4: Simplify right side
149,748.11x = 18,283,636,429.81 - Step 5: Solve for x
x = 18,283,636,429.81/149,748.11 - Step 6: Final answer
x = 122,095.95
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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.