Finding the Fourth Proportional to 320,177.06, 480,421.28 and 151,496.44
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Solution
The fourth proportional to 320,177.06, 480,421.28 and 151,496.44 is: 227,318.33
Step by Step Solution
- Step 1: Write the proportion equation
320,177.06 : 480,421.28 = 151,496.44 : x - Step 2: Convert to fraction form
320,177.06/480,421.28 = 151,496.44/x - Step 3: Cross multiply
320,177.06x = 480,421.28 × 151,496.44 - Step 4: Simplify right side
320,177.06x = 72,782,112,340.67 - Step 5: Solve for x
x = 72,782,112,340.67/320,177.06 - Step 6: Final answer
x = 227,318.33
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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.