Finding the Fourth Proportional to 369,048.53, 553,489.70 and 132,391.19
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Solution
The fourth proportional to 369,048.53, 553,489.70 and 132,391.19 is: 198,556.98
Step by Step Solution
- Step 1: Write the proportion equation
369,048.53 : 553,489.70 = 132,391.19 : x - Step 2: Convert to fraction form
369,048.53/553,489.70 = 132,391.19/x - Step 3: Cross multiply
369,048.53x = 553,489.70 × 132,391.19 - Step 4: Simplify right side
369,048.53x = 73,277,160,757.51 - Step 5: Solve for x
x = 73,277,160,757.51/369,048.53 - Step 6: Final answer
x = 198,556.98
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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.