Finding the Fourth Proportional to 103,364.70, 154,828.35 and 103,364.70
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Solution
The fourth proportional to 103,364.70, 154,828.35 and 103,364.70 is: 154,828.35
Step by Step Solution
- Step 1: Write the proportion equation
103,364.70 : 154,828.35 = 103,364.70 : x - Step 2: Convert to fraction form
103,364.70/154,828.35 = 103,364.70/x - Step 3: Cross multiply
103,364.70x = 154,828.35 × 103,364.70 - Step 4: Simplify right side
103,364.70x = 16,003,785,949.25 - Step 5: Solve for x
x = 16,003,785,949.25/103,364.70 - Step 6: Final answer
x = 154,828.35
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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.