Finding the Fourth Proportional to 192,359.04, 265,469.21 and 106,316.18
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Solution
The fourth proportional to 192,359.04, 265,469.21 and 106,316.18 is: 146,723.92
Step by Step Solution
- Step 1: Write the proportion equation
192,359.04 : 265,469.21 = 106,316.18 : x - Step 2: Convert to fraction form
192,359.04/265,469.21 = 106,316.18/x - Step 3: Cross multiply
192,359.04x = 265,469.21 × 106,316.18 - Step 4: Simplify right side
192,359.04x = 28,223,671,850.09 - Step 5: Solve for x
x = 28,223,671,850.09/192,359.04 - Step 6: Final answer
x = 146,723.92
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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.