Finding the Fourth Proportional to 202,884.36, 279,988.68 and 112,238.76
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Solution
The fourth proportional to 202,884.36, 279,988.68 and 112,238.76 is: 154,894.06
Step by Step Solution
- Step 1: Write the proportion equation
202,884.36 : 279,988.68 = 112,238.76 : x - Step 2: Convert to fraction form
202,884.36/279,988.68 = 112,238.76/x - Step 3: Cross multiply
202,884.36x = 279,988.68 × 112,238.76 - Step 4: Simplify right side
202,884.36x = 31,425,582,257.24 - Step 5: Solve for x
x = 31,425,582,257.24/202,884.36 - Step 6: Final answer
x = 154,894.06
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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.