Finding the Fourth Proportional to 202,992.20, 304,358.70 and 84,710.60
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Solution
The fourth proportional to 202,992.20, 304,358.70 and 84,710.60 is: 127,011.82
Step by Step Solution
- Step 1: Write the proportion equation
202,992.20 : 304,358.70 = 84,710.60 : x - Step 2: Convert to fraction form
202,992.20/304,358.70 = 84,710.60/x - Step 3: Cross multiply
202,992.20x = 304,358.70 × 84,710.60 - Step 4: Simplify right side
202,992.20x = 25,782,408,092.22 - Step 5: Solve for x
x = 25,782,408,092.22/202,992.20 - Step 6: Final answer
x = 127,011.82
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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.