Finding the Fourth Proportional to 149,133.21, 223,652.43 and 49,274.79
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Solution
The fourth proportional to 149,133.21, 223,652.43 and 49,274.79 is: 73,896.53
Step by Step Solution
- Step 1: Write the proportion equation
149,133.21 : 223,652.43 = 49,274.79 : x - Step 2: Convert to fraction form
149,133.21/223,652.43 = 49,274.79/x - Step 3: Cross multiply
149,133.21x = 223,652.43 × 49,274.79 - Step 4: Simplify right side
149,133.21x = 11,020,426,521.24 - Step 5: Solve for x
x = 11,020,426,521.24/149,133.21 - Step 6: Final answer
x = 73,896.53
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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.