Finding the Fourth Proportional to 73,284.09, 101,226.96 and 54,202.65
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Solution
The fourth proportional to 73,284.09, 101,226.96 and 54,202.65 is: 74,869.86
Step by Step Solution
- Step 1: Write the proportion equation
73,284.09 : 101,226.96 = 54,202.65 : x - Step 2: Convert to fraction form
73,284.09/101,226.96 = 54,202.65/x - Step 3: Cross multiply
73,284.09x = 101,226.96 × 54,202.65 - Step 4: Simplify right side
73,284.09x = 5,486,769,483.44 - Step 5: Solve for x
x = 5,486,769,483.44/73,284.09 - Step 6: Final answer
x = 74,869.86
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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.