Finding the Fourth Proportional to 229,563.09, 316,705.95 and 132,749.04
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Solution
The fourth proportional to 229,563.09, 316,705.95 and 132,749.04 is: 183,140.99
Step by Step Solution
- Step 1: Write the proportion equation
229,563.09 : 316,705.95 = 132,749.04 : x - Step 2: Convert to fraction form
229,563.09/316,705.95 = 132,749.04/x - Step 3: Cross multiply
229,563.09x = 316,705.95 × 132,749.04 - Step 4: Simplify right side
229,563.09x = 42,042,410,824.79 - Step 5: Solve for x
x = 42,042,410,824.79/229,563.09 - Step 6: Final answer
x = 183,140.99
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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.