Finding the Fourth Proportional to 277,879.19, 383,468.26 and 157,017.88
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Solution
The fourth proportional to 277,879.19, 383,468.26 and 157,017.88 is: 216,681.83
Step by Step Solution
- Step 1: Write the proportion equation
277,879.19 : 383,468.26 = 157,017.88 : x - Step 2: Convert to fraction form
277,879.19/383,468.26 = 157,017.88/x - Step 3: Cross multiply
277,879.19x = 383,468.26 × 157,017.88 - Step 4: Simplify right side
277,879.19x = 60,211,370,530.06 - Step 5: Solve for x
x = 60,211,370,530.06/277,879.19 - Step 6: Final answer
x = 216,681.83
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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.