Finding the Fourth Proportional to 202,675.12, 279,688.61 and 112,029.08
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Solution
The fourth proportional to 202,675.12, 279,688.61 and 112,029.08 is: 154,598.44
Step by Step Solution
- Step 1: Write the proportion equation
202,675.12 : 279,688.61 = 112,029.08 : x - Step 2: Convert to fraction form
202,675.12/279,688.61 = 112,029.08/x - Step 3: Cross multiply
202,675.12x = 279,688.61 × 112,029.08 - Step 4: Simplify right side
202,675.12x = 31,333,256,546.41 - Step 5: Solve for x
x = 31,333,256,546.41/202,675.12 - Step 6: Final answer
x = 154,598.44
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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.