Finding the Fourth Proportional to 152,229.21, 210,071.10 and 84,249.05
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Solution
The fourth proportional to 152,229.21, 210,071.10 and 84,249.05 is: 116,260.80
Step by Step Solution
- Step 1: Write the proportion equation
152,229.21 : 210,071.10 = 84,249.05 : x - Step 2: Convert to fraction form
152,229.21/210,071.10 = 84,249.05/x - Step 3: Cross multiply
152,229.21x = 210,071.10 × 84,249.05 - Step 4: Simplify right side
152,229.21x = 17,698,289,873.03 - Step 5: Solve for x
x = 17,698,289,873.03/152,229.21 - Step 6: Final answer
x = 116,260.80
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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.