Finding the Fourth Proportional to 400,164.52, 552,223.02 and 218,879.99
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Solution
The fourth proportional to 400,164.52, 552,223.02 and 218,879.99 is: 302,052.19
Step by Step Solution
- Step 1: Write the proportion equation
400,164.52 : 552,223.02 = 218,879.99 : x - Step 2: Convert to fraction form
400,164.52/552,223.02 = 218,879.99/x - Step 3: Cross multiply
400,164.52x = 552,223.02 × 218,879.99 - Step 4: Simplify right side
400,164.52x = 120,870,567,994.69 - Step 5: Solve for x
x = 120,870,567,994.69/400,164.52 - Step 6: Final answer
x = 302,052.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.