Finding the Fourth Proportional to 226,763.74, 312,869.04 and 146,237.49
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Solution
The fourth proportional to 226,763.74, 312,869.04 and 146,237.49 is: 201,765.87
Step by Step Solution
- Step 1: Write the proportion equation
226,763.74 : 312,869.04 = 146,237.49 : x - Step 2: Convert to fraction form
226,763.74/312,869.04 = 146,237.49/x - Step 3: Cross multiply
226,763.74x = 312,869.04 × 146,237.49 - Step 4: Simplify right side
226,763.74x = 45,753,183,108.31 - Step 5: Solve for x
x = 45,753,183,108.31/226,763.74 - Step 6: Final answer
x = 201,765.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.