Finding the Fourth Proportional to 229,110.08, 316,170.96 and 128,508.08
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Solution
The fourth proportional to 229,110.08, 316,170.96 and 128,508.08 is: 177,340.62
Step by Step Solution
- Step 1: Write the proportion equation
229,110.08 : 316,170.96 = 128,508.08 : x - Step 2: Convert to fraction form
229,110.08/316,170.96 = 128,508.08/x - Step 3: Cross multiply
229,110.08x = 316,170.96 × 128,508.08 - Step 4: Simplify right side
229,110.08x = 40,630,523,021.36 - Step 5: Solve for x
x = 40,630,523,021.36/229,110.08 - Step 6: Final answer
x = 177,340.62
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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.