Finding the Fourth Proportional to 134,930.80, 202,266.60 and 104,928.40
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Solution
The fourth proportional to 134,930.80, 202,266.60 and 104,928.40 is: 157,291.82
Step by Step Solution
- Step 1: Write the proportion equation
134,930.80 : 202,266.60 = 104,928.40 : x - Step 2: Convert to fraction form
134,930.80/202,266.60 = 104,928.40/x - Step 3: Cross multiply
134,930.80x = 202,266.60 × 104,928.40 - Step 4: Simplify right side
134,930.80x = 21,223,510,711.44 - Step 5: Solve for x
x = 21,223,510,711.44/134,930.80 - Step 6: Final answer
x = 157,291.82
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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.