Finding the Fourth Proportional to 213,977.06, 295,284.74 and 118,481.70
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Solution
The fourth proportional to 213,977.06, 295,284.74 and 118,481.70 is: 163,502.75
Step by Step Solution
- Step 1: Write the proportion equation
213,977.06 : 295,284.74 = 118,481.70 : x - Step 2: Convert to fraction form
213,977.06/295,284.74 = 118,481.70/x - Step 3: Cross multiply
213,977.06x = 295,284.74 × 118,481.70 - Step 4: Simplify right side
213,977.06x = 34,985,838,494.17 - Step 5: Solve for x
x = 34,985,838,494.17/213,977.06 - Step 6: Final answer
x = 163,502.75
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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.