Finding the Fourth Proportional to 351,353.28, 484,867.68 and 190,208.31
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Solution
The fourth proportional to 351,353.28, 484,867.68 and 190,208.31 is: 262,487.55
Step by Step Solution
- Step 1: Write the proportion equation
351,353.28 : 484,867.68 = 190,208.31 : x - Step 2: Convert to fraction form
351,353.28/484,867.68 = 190,208.31/x - Step 3: Cross multiply
351,353.28x = 484,867.68 × 190,208.31 - Step 4: Simplify right side
351,353.28x = 92,225,861,986.42 - Step 5: Solve for x
x = 92,225,861,986.42/351,353.28 - Step 6: Final answer
x = 262,487.55
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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.