Finding the Fourth Proportional to 395,633.74, 545,975.11 and 214,345.68
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Solution
The fourth proportional to 395,633.74, 545,975.11 and 214,345.68 is: 295,797.33
Step by Step Solution
- Step 1: Write the proportion equation
395,633.74 : 545,975.11 = 214,345.68 : x - Step 2: Convert to fraction form
395,633.74/545,975.11 = 214,345.68/x - Step 3: Cross multiply
395,633.74x = 545,975.11 × 214,345.68 - Step 4: Simplify right side
395,633.74x = 117,027,406,603.39 - Step 5: Solve for x
x = 117,027,406,603.39/395,633.74 - Step 6: Final answer
x = 295,797.33
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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.