Finding the Fourth Proportional to 329,163.90, 493,417.80 and 151,360.80
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Solution
The fourth proportional to 329,163.90, 493,417.80 and 151,360.80 is: 226,890.35
Step by Step Solution
- Step 1: Write the proportion equation
329,163.90 : 493,417.80 = 151,360.80 : x - Step 2: Convert to fraction form
329,163.90/493,417.80 = 151,360.80/x - Step 3: Cross multiply
329,163.90x = 493,417.80 × 151,360.80 - Step 4: Simplify right side
329,163.90x = 74,684,112,942.24 - Step 5: Solve for x
x = 74,684,112,942.24/329,163.90 - Step 6: Final answer
x = 226,890.35
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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.