Finding the Fourth Proportional to 369,965.70, 555,119.82 and 201,285.09
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Solution
The fourth proportional to 369,965.70, 555,119.82 and 201,285.09 is: 302,020.82
Step by Step Solution
- Step 1: Write the proportion equation
369,965.70 : 555,119.82 = 201,285.09 : x - Step 2: Convert to fraction form
369,965.70/555,119.82 = 201,285.09/x - Step 3: Cross multiply
369,965.70x = 555,119.82 × 201,285.09 - Step 4: Simplify right side
369,965.70x = 111,737,342,929.48 - Step 5: Solve for x
x = 111,737,342,929.48/369,965.70 - Step 6: Final answer
x = 302,020.82
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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.