Finding the Fourth Proportional to 240,021.48, 331,183.62 and 144,534.36
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Solution
The fourth proportional to 240,021.48, 331,183.62 and 144,534.36 is: 199,429.70
Step by Step Solution
- Step 1: Write the proportion equation
240,021.48 : 331,183.62 = 144,534.36 : x - Step 2: Convert to fraction form
240,021.48/331,183.62 = 144,534.36/x - Step 3: Cross multiply
240,021.48x = 331,183.62 × 144,534.36 - Step 4: Simplify right side
240,021.48x = 47,867,412,559.18 - Step 5: Solve for x
x = 47,867,412,559.18/240,021.48 - Step 6: Final answer
x = 199,429.70
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1.5x scale
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.