Finding the Fourth Proportional to 180,353.99, 248,890.32 and 98,680.68
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Solution
The fourth proportional to 180,353.99, 248,890.32 and 98,680.68 is: 136,180.33
Step by Step Solution
- Step 1: Write the proportion equation
180,353.99 : 248,890.32 = 98,680.68 : x - Step 2: Convert to fraction form
180,353.99/248,890.32 = 98,680.68/x - Step 3: Cross multiply
180,353.99x = 248,890.32 × 98,680.68 - Step 4: Simplify right side
180,353.99x = 24,560,666,023.02 - Step 5: Solve for x
x = 24,560,666,023.02/180,353.99 - Step 6: Final answer
x = 136,180.33
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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.