Finding the Fourth Proportional to 314,438.20, 471,225.30 and 201,772.60
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Solution
The fourth proportional to 314,438.20, 471,225.30 and 201,772.60 is: 302,381.69
Step by Step Solution
- Step 1: Write the proportion equation
314,438.20 : 471,225.30 = 201,772.60 : x - Step 2: Convert to fraction form
314,438.20/471,225.30 = 201,772.60/x - Step 3: Cross multiply
314,438.20x = 471,225.30 × 201,772.60 - Step 4: Simplify right side
314,438.20x = 95,080,353,966.78 - Step 5: Solve for x
x = 95,080,353,966.78/314,438.20 - Step 6: Final answer
x = 302,381.69
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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.