Finding the Fourth Proportional to 202,227.30, 279,163.08 and 130,642.20
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Solution
The fourth proportional to 202,227.30, 279,163.08 and 130,642.20 is: 180,343.99
Step by Step Solution
- Step 1: Write the proportion equation
202,227.30 : 279,163.08 = 130,642.20 : x - Step 2: Convert to fraction form
202,227.30/279,163.08 = 130,642.20/x - Step 3: Cross multiply
202,227.30x = 279,163.08 × 130,642.20 - Step 4: Simplify right side
202,227.30x = 36,470,478,929.98 - Step 5: Solve for x
x = 36,470,478,929.98/202,227.30 - Step 6: Final answer
x = 180,343.99
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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.