Finding the Fourth Proportional to 455,679.92, 683,511.35 and 136,048.79
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Solution
The fourth proportional to 455,679.92, 683,511.35 and 136,048.79 is: 204,070.63
Step by Step Solution
- Step 1: Write the proportion equation
455,679.92 : 683,511.35 = 136,048.79 : x - Step 2: Convert to fraction form
455,679.92/683,511.35 = 136,048.79/x - Step 3: Cross multiply
455,679.92x = 683,511.35 × 136,048.79 - Step 4: Simplify right side
455,679.92x = 92,990,888,020.97 - Step 5: Solve for x
x = 92,990,888,020.97/455,679.92 - Step 6: Final answer
x = 204,070.63
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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.