Finding the Fourth Proportional to 260,378.01, 359,176.84 and 151,470.05
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Solution
The fourth proportional to 260,378.01, 359,176.84 and 151,470.05 is: 208,944.42
Step by Step Solution
- Step 1: Write the proportion equation
260,378.01 : 359,176.84 = 151,470.05 : x - Step 2: Convert to fraction form
260,378.01/359,176.84 = 151,470.05/x - Step 3: Cross multiply
260,378.01x = 359,176.84 × 151,470.05 - Step 4: Simplify right side
260,378.01x = 54,404,531,739.08 - Step 5: Solve for x
x = 54,404,531,739.08/260,378.01 - Step 6: Final answer
x = 208,944.42
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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.