Finding the Fourth Proportional to 229,011.55, 316,037.67 and 125,645.05
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Solution
The fourth proportional to 229,011.55, 316,037.67 and 125,645.05 is: 173,391.12
Step by Step Solution
- Step 1: Write the proportion equation
229,011.55 : 316,037.67 = 125,645.05 : x - Step 2: Convert to fraction form
229,011.55/316,037.67 = 125,645.05/x - Step 3: Cross multiply
229,011.55x = 316,037.67 × 125,645.05 - Step 4: Simplify right side
229,011.55x = 39,708,568,944.19 - Step 5: Solve for x
x = 39,708,568,944.19/229,011.55 - Step 6: Final answer
x = 173,391.12
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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.