Finding the Fourth Proportional to 277,726.05, 383,239.76 and 156,879.05
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Solution
The fourth proportional to 277,726.05, 383,239.76 and 156,879.05 is: 216,480.55
Step by Step Solution
- Step 1: Write the proportion equation
277,726.05 : 383,239.76 = 156,879.05 : x - Step 2: Convert to fraction form
277,726.05/383,239.76 = 156,879.05/x - Step 3: Cross multiply
277,726.05x = 383,239.76 × 156,879.05 - Step 4: Simplify right side
277,726.05x = 60,122,286,770.43 - Step 5: Solve for x
x = 60,122,286,770.43/277,726.05 - Step 6: Final answer
x = 216,480.55
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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.