Finding the Fourth Proportional to 395,271.14, 545,474.36 and 213,983.08
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Solution
The fourth proportional to 395,271.14, 545,474.36 and 213,983.08 is: 295,296.75
Step by Step Solution
- Step 1: Write the proportion equation
395,271.14 : 545,474.36 = 213,983.08 : x - Step 2: Convert to fraction form
395,271.14/545,474.36 = 213,983.08/x - Step 3: Cross multiply
395,271.14x = 545,474.36 × 213,983.08 - Step 4: Simplify right side
395,271.14x = 116,722,282,785.10 - Step 5: Solve for x
x = 116,722,282,785.10/395,271.14 - Step 6: Final answer
x = 295,296.75
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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.