Finding the Fourth Proportional to 262,430.80, 393,646.20 and 244,805.20
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Solution
The fourth proportional to 262,430.80, 393,646.20 and 244,805.20 is: 367,207.80
Step by Step Solution
- Step 1: Write the proportion equation
262,430.80 : 393,646.20 = 244,805.20 : x - Step 2: Convert to fraction form
262,430.80/393,646.20 = 244,805.20/x - Step 3: Cross multiply
262,430.80x = 393,646.20 × 244,805.20 - Step 4: Simplify right side
262,430.80x = 96,366,636,720.24 - Step 5: Solve for x
x = 96,366,636,720.24/262,430.80 - Step 6: Final answer
x = 367,207.80
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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.