Finding the Fourth Proportional to 211,074.08, 291,281.74 and 115,579.94
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Solution
The fourth proportional to 211,074.08, 291,281.74 and 115,579.94 is: 159,500.04
Step by Step Solution
- Step 1: Write the proportion equation
211,074.08 : 291,281.74 = 115,579.94 : x - Step 2: Convert to fraction form
211,074.08/291,281.74 = 115,579.94/x - Step 3: Cross multiply
211,074.08x = 291,281.74 × 115,579.94 - Step 4: Simplify right side
211,074.08x = 33,666,324,286.94 - Step 5: Solve for x
x = 33,666,324,286.94/211,074.08 - Step 6: Final answer
x = 159,500.04
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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.