Finding the Fourth Proportional to 329,178.24, 493,689.60 and 151,574.40
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Solution
The fourth proportional to 329,178.24, 493,689.60 and 151,574.40 is: 227,325.79
Step by Step Solution
- Step 1: Write the proportion equation
329,178.24 : 493,689.60 = 151,574.40 : x - Step 2: Convert to fraction form
329,178.24/493,689.60 = 151,574.40/x - Step 3: Cross multiply
329,178.24x = 493,689.60 × 151,574.40 - Step 4: Simplify right side
329,178.24x = 74,830,704,906.24 - Step 5: Solve for x
x = 74,830,704,906.24/329,178.24 - Step 6: Final answer
x = 227,325.79
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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.