Finding the Fourth Proportional to 313,576.11, 470,364.12 and 136,079.19
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Solution
The fourth proportional to 313,576.11, 470,364.12 and 136,079.19 is: 204,118.77
Step by Step Solution
- Step 1: Write the proportion equation
313,576.11 : 470,364.12 = 136,079.19 : x - Step 2: Convert to fraction form
313,576.11/470,364.12 = 136,079.19/x - Step 3: Cross multiply
313,576.11x = 470,364.12 × 136,079.19 - Step 4: Simplify right side
313,576.11x = 64,006,768,454.66 - Step 5: Solve for x
x = 64,006,768,454.66/313,576.11 - Step 6: Final answer
x = 204,118.77
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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.