Finding the Fourth Proportional to 202,911.12, 304,408.19 and 69,774.08
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Solution
The fourth proportional to 202,911.12, 304,408.19 and 69,774.08 is: 104,675.38
Step by Step Solution
- Step 1: Write the proportion equation
202,911.12 : 304,408.19 = 69,774.08 : x - Step 2: Convert to fraction form
202,911.12/304,408.19 = 69,774.08/x - Step 3: Cross multiply
202,911.12x = 304,408.19 × 69,774.08 - Step 4: Simplify right side
202,911.12x = 21,239,799,530.80 - Step 5: Solve for x
x = 21,239,799,530.80/202,911.12 - Step 6: Final answer
x = 104,675.38
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.