Finding the Fourth Proportional to 192,686.08, 265,917.12 and 107,798.08
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Solution
The fourth proportional to 192,686.08, 265,917.12 and 107,798.08 is: 148,767.13
Step by Step Solution
- Step 1: Write the proportion equation
192,686.08 : 265,917.12 = 107,798.08 : x - Step 2: Convert to fraction form
192,686.08/265,917.12 = 107,798.08/x - Step 3: Cross multiply
192,686.08x = 265,917.12 × 107,798.08 - Step 4: Simplify right side
192,686.08x = 28,665,354,975.13 - Step 5: Solve for x
x = 28,665,354,975.13/192,686.08 - Step 6: Final answer
x = 148,767.13
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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.