Finding the Fourth Proportional to 122,867.70, 172,364.70 and 122,867.70
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Solution
The fourth proportional to 122,867.70, 172,364.70 and 122,867.70 is: 172,364.70
Step by Step Solution
- Step 1: Write the proportion equation
122,867.70 : 172,364.70 = 122,867.70 : x - Step 2: Convert to fraction form
122,867.70/172,364.70 = 122,867.70/x - Step 3: Cross multiply
122,867.70x = 172,364.70 × 122,867.70 - Step 4: Simplify right side
122,867.70x = 21,178,054,250.19 - Step 5: Solve for x
x = 21,178,054,250.19/122,867.70 - Step 6: Final answer
x = 172,364.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.