Finding the Fourth Proportional to 202,747.49, 279,730.08 and 141,492.05
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Solution
The fourth proportional to 202,747.49, 279,730.08 and 141,492.05 is: 195,216.14
Step by Step Solution
- Step 1: Write the proportion equation
202,747.49 : 279,730.08 = 141,492.05 : x - Step 2: Convert to fraction form
202,747.49/279,730.08 = 141,492.05/x - Step 3: Cross multiply
202,747.49x = 279,730.08 × 141,492.05 - Step 4: Simplify right side
202,747.49x = 39,579,581,067.21 - Step 5: Solve for x
x = 39,579,581,067.21/202,747.49 - Step 6: Final answer
x = 195,216.14
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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.