Finding the Fourth Proportional to 150,921.80, 226,382.70 and 115,929.80
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Solution
The fourth proportional to 150,921.80, 226,382.70 and 115,929.80 is: 173,894.70
Step by Step Solution
- Step 1: Write the proportion equation
150,921.80 : 226,382.70 = 115,929.80 : x - Step 2: Convert to fraction form
150,921.80/226,382.70 = 115,929.80/x - Step 3: Cross multiply
150,921.80x = 226,382.70 × 115,929.80 - Step 4: Simplify right side
150,921.80x = 26,244,501,134.46 - Step 5: Solve for x
x = 26,244,501,134.46/150,921.80 - Step 6: Final answer
x = 173,894.70
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1.5x scale
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.