Finding the Fourth Proportional to 137,351.60, 206,027.40 and 106,209.20
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Solution
The fourth proportional to 137,351.60, 206,027.40 and 106,209.20 is: 159,313.80
Step by Step Solution
- Step 1: Write the proportion equation
137,351.60 : 206,027.40 = 106,209.20 : x - Step 2: Convert to fraction form
137,351.60/206,027.40 = 106,209.20/x - Step 3: Cross multiply
137,351.60x = 206,027.40 × 106,209.20 - Step 4: Simplify right side
137,351.60x = 21,882,005,332.08 - Step 5: Solve for x
x = 21,882,005,332.08/137,351.60 - Step 6: Final answer
x = 159,313.80
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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.