Finding the Fourth Proportional to 470,230.20, 705,053.70 and 270,451.80
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Solution
The fourth proportional to 470,230.20, 705,053.70 and 270,451.80 is: 405,509.99
Step by Step Solution
- Step 1: Write the proportion equation
470,230.20 : 705,053.70 = 270,451.80 : x - Step 2: Convert to fraction form
470,230.20/705,053.70 = 270,451.80/x - Step 3: Cross multiply
470,230.20x = 705,053.70 × 270,451.80 - Step 4: Simplify right side
470,230.20x = 190,683,042,261.66 - Step 5: Solve for x
x = 190,683,042,261.66/470,230.20 - Step 6: Final answer
x = 405,509.99
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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.