Finding the Fourth Proportional to 313,734.48, 470,337.36 and 136,107.84
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Solution
The fourth proportional to 313,734.48, 470,337.36 and 136,107.84 is: 204,047.07
Step by Step Solution
- Step 1: Write the proportion equation
313,734.48 : 470,337.36 = 136,107.84 : x - Step 2: Convert to fraction form
313,734.48/470,337.36 = 136,107.84/x - Step 3: Cross multiply
313,734.48x = 470,337.36 × 136,107.84 - Step 4: Simplify right side
313,734.48x = 64,016,602,140.90 - Step 5: Solve for x
x = 64,016,602,140.90/313,734.48 - Step 6: Final answer
x = 204,047.07
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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.