Finding the Fourth Proportional to 185,924.23, 278,836.53 and 80,718.19
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Solution
The fourth proportional to 185,924.23, 278,836.53 and 80,718.19 is: 121,055.65
Step by Step Solution
- Step 1: Write the proportion equation
185,924.23 : 278,836.53 = 80,718.19 : x - Step 2: Convert to fraction form
185,924.23/278,836.53 = 80,718.19/x - Step 3: Cross multiply
185,924.23x = 278,836.53 × 80,718.19 - Step 4: Simplify right side
185,924.23x = 22,507,179,007.70 - Step 5: Solve for x
x = 22,507,179,007.70/185,924.23 - Step 6: Final answer
x = 121,055.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.