Finding the Fourth Proportional to 192,012.04, 264,986.94 and 107,128.36
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Solution
The fourth proportional to 192,012.04, 264,986.94 and 107,128.36 is: 147,842.90
Step by Step Solution
- Step 1: Write the proportion equation
192,012.04 : 264,986.94 = 107,128.36 : x - Step 2: Convert to fraction form
192,012.04/264,986.94 = 107,128.36/x - Step 3: Cross multiply
192,012.04x = 264,986.94 × 107,128.36 - Step 4: Simplify right side
192,012.04x = 28,387,616,303.62 - Step 5: Solve for x
x = 28,387,616,303.62/192,012.04 - Step 6: Final answer
x = 147,842.90
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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.