Finding the Fourth Proportional to 151,945.72, 227,918.68 and 39,625.65
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Solution
The fourth proportional to 151,945.72, 227,918.68 and 39,625.65 is: 59,438.50
Step by Step Solution
- Step 1: Write the proportion equation
151,945.72 : 227,918.68 = 39,625.65 : x - Step 2: Convert to fraction form
151,945.72/227,918.68 = 39,625.65/x - Step 3: Cross multiply
151,945.72x = 227,918.68 × 39,625.65 - Step 4: Simplify right side
151,945.72x = 9,031,425,743.08 - Step 5: Solve for x
x = 9,031,425,743.08/151,945.72 - Step 6: Final answer
x = 59,438.50
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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.