Finding the Fourth Proportional to 147,504.60, 203,503.86 and 87,044.99
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Solution
The fourth proportional to 147,504.60, 203,503.86 and 87,044.99 is: 120,091.11
Step by Step Solution
- Step 1: Write the proportion equation
147,504.60 : 203,503.86 = 87,044.99 : x - Step 2: Convert to fraction form
147,504.60/203,503.86 = 87,044.99/x - Step 3: Cross multiply
147,504.60x = 203,503.86 × 87,044.99 - Step 4: Simplify right side
147,504.60x = 17,713,990,441.14 - Step 5: Solve for x
x = 17,713,990,441.14/147,504.60 - Step 6: Final answer
x = 120,091.11
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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.