Finding the Fourth Proportional to 302,689.44, 417,760.20 and 175,438.44
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Solution
The fourth proportional to 302,689.44, 417,760.20 and 175,438.44 is: 242,133.32
Step by Step Solution
- Step 1: Write the proportion equation
302,689.44 : 417,760.20 = 175,438.44 : x - Step 2: Convert to fraction form
302,689.44/417,760.20 = 175,438.44/x - Step 3: Cross multiply
302,689.44x = 417,760.20 × 175,438.44 - Step 4: Simplify right side
302,689.44x = 73,291,197,782.09 - Step 5: Solve for x
x = 73,291,197,782.09/302,689.44 - Step 6: Final answer
x = 242,133.32
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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.