Finding the Fourth Proportional to 470,163.20, 705,705.60 and 233,772.80
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Solution
The fourth proportional to 470,163.20, 705,705.60 and 233,772.80 is: 350,888.32
Step by Step Solution
- Step 1: Write the proportion equation
470,163.20 : 705,705.60 = 233,772.80 : x - Step 2: Convert to fraction form
470,163.20/705,705.60 = 233,772.80/x - Step 3: Cross multiply
470,163.20x = 705,705.60 × 233,772.80 - Step 4: Simplify right side
470,163.20x = 164,974,774,087.68 - Step 5: Solve for x
x = 164,974,774,087.68/470,163.20 - Step 6: Final answer
x = 350,888.32
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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.