Finding the Fourth Proportional to 323,063.97, 484,595.83 and 86,400.49
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Solution
The fourth proportional to 323,063.97, 484,595.83 and 86,400.49 is: 129,600.70
Step by Step Solution
- Step 1: Write the proportion equation
323,063.97 : 484,595.83 = 86,400.49 : x - Step 2: Convert to fraction form
323,063.97/484,595.83 = 86,400.49/x - Step 3: Cross multiply
323,063.97x = 484,595.83 × 86,400.49 - Step 4: Simplify right side
323,063.97x = 41,869,317,163.96 - Step 5: Solve for x
x = 41,869,317,163.96/323,063.97 - Step 6: Final answer
x = 129,600.70
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1.5x scale
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.