Finding the Fourth Proportional to 320,388.24, 480,292.56 and 151,803.84
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Solution
The fourth proportional to 320,388.24, 480,292.56 and 151,803.84 is: 227,568.45
Step by Step Solution
- Step 1: Write the proportion equation
320,388.24 : 480,292.56 = 151,803.84 : x - Step 2: Convert to fraction form
320,388.24/480,292.56 = 151,803.84/x - Step 3: Cross multiply
320,388.24x = 480,292.56 × 151,803.84 - Step 4: Simplify right side
320,388.24x = 72,910,254,931.43 - Step 5: Solve for x
x = 72,910,254,931.43/320,388.24 - Step 6: Final answer
x = 227,568.45
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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.