Finding the Fourth Proportional to 192,356.08, 265,442.86 and 107,471.32
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Solution
The fourth proportional to 192,356.08, 265,442.86 and 107,471.32 is: 148,305.66
Step by Step Solution
- Step 1: Write the proportion equation
192,356.08 : 265,442.86 = 107,471.32 : x - Step 2: Convert to fraction form
192,356.08/265,442.86 = 107,471.32/x - Step 3: Cross multiply
192,356.08x = 265,442.86 × 107,471.32 - Step 4: Simplify right side
192,356.08x = 28,527,494,548.78 - Step 5: Solve for x
x = 28,527,494,548.78/192,356.08 - Step 6: Final answer
x = 148,305.66
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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.