Finding the Fourth Proportional to 330,441.99, 456,008.36 and 187,201.69
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Solution
The fourth proportional to 330,441.99, 456,008.36 and 187,201.69 is: 258,337.43
Step by Step Solution
- Step 1: Write the proportion equation
330,441.99 : 456,008.36 = 187,201.69 : x - Step 2: Convert to fraction form
330,441.99/456,008.36 = 187,201.69/x - Step 3: Cross multiply
330,441.99x = 456,008.36 × 187,201.69 - Step 4: Simplify right side
330,441.99x = 85,365,535,280.13 - Step 5: Solve for x
x = 85,365,535,280.13/330,441.99 - Step 6: Final answer
x = 258,337.43
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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.