Finding the Fourth Proportional to 126,961.24, 190,479.12 and 56,824.96
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Solution
The fourth proportional to 126,961.24, 190,479.12 and 56,824.96 is: 85,254.12
Step by Step Solution
- Step 1: Write the proportion equation
126,961.24 : 190,479.12 = 56,824.96 : x - Step 2: Convert to fraction form
126,961.24/190,479.12 = 56,824.96/x - Step 3: Cross multiply
126,961.24x = 190,479.12 × 56,824.96 - Step 4: Simplify right side
126,961.24x = 10,823,968,374.84 - Step 5: Solve for x
x = 10,823,968,374.84/126,961.24 - Step 6: Final answer
x = 85,254.12
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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.