Finding the Fourth Proportional to 455,221.80, 683,245.80 and 230,738.40
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Solution
The fourth proportional to 455,221.80, 683,245.80 and 230,738.40 is: 346,316.99
Step by Step Solution
- Step 1: Write the proportion equation
455,221.80 : 683,245.80 = 230,738.40 : x - Step 2: Convert to fraction form
455,221.80/683,245.80 = 230,738.40/x - Step 3: Cross multiply
455,221.80x = 683,245.80 × 230,738.40 - Step 4: Simplify right side
455,221.80x = 157,651,042,698.72 - Step 5: Solve for x
x = 157,651,042,698.72/455,221.80 - Step 6: Final answer
x = 346,316.99
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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.