Finding the Fourth Proportional to 151,038.71, 226,416.50 and 51,128.99
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Solution
The fourth proportional to 151,038.71, 226,416.50 and 51,128.99 is: 76,645.56
Step by Step Solution
- Step 1: Write the proportion equation
151,038.71 : 226,416.50 = 51,128.99 : x - Step 2: Convert to fraction form
151,038.71/226,416.50 = 51,128.99/x - Step 3: Cross multiply
151,038.71x = 226,416.50 × 51,128.99 - Step 4: Simplify right side
151,038.71x = 11,576,446,964.34 - Step 5: Solve for x
x = 11,576,446,964.34/151,038.71 - Step 6: Final answer
x = 76,645.56
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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.