Finding the Fourth Proportional to 113,245.12, 169,867.04 and 29,005.12
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Solution
The fourth proportional to 113,245.12, 169,867.04 and 29,005.12 is: 43,507.52
Step by Step Solution
- Step 1: Write the proportion equation
113,245.12 : 169,867.04 = 29,005.12 : x - Step 2: Convert to fraction form
113,245.12/169,867.04 = 29,005.12/x - Step 3: Cross multiply
113,245.12x = 169,867.04 × 29,005.12 - Step 4: Simplify right side
113,245.12x = 4,927,013,879.24 - Step 5: Solve for x
x = 4,927,013,879.24/113,245.12 - Step 6: Final answer
x = 43,507.52
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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.