Finding the Fourth Proportional to 387,351.25, 581,060.37 and 106,868.50
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Solution
The fourth proportional to 387,351.25, 581,060.37 and 106,868.50 is: 160,311.99
Step by Step Solution
- Step 1: Write the proportion equation
387,351.25 : 581,060.37 = 106,868.50 : x - Step 2: Convert to fraction form
387,351.25/581,060.37 = 106,868.50/x - Step 3: Cross multiply
387,351.25x = 581,060.37 × 106,868.50 - Step 4: Simplify right side
387,351.25x = 62,097,047,246.04 - Step 5: Solve for x
x = 62,097,047,246.04/387,351.25 - Step 6: Final answer
x = 160,311.99
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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.