Finding the Fourth Proportional to 395,624.30, 545,960.76 and 214,340.75
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Solution
The fourth proportional to 395,624.30, 545,960.76 and 214,340.75 is: 295,789.82
Step by Step Solution
- Step 1: Write the proportion equation
395,624.30 : 545,960.76 = 214,340.75 : x - Step 2: Convert to fraction form
395,624.30/545,960.76 = 214,340.75/x - Step 3: Cross multiply
395,624.30x = 545,960.76 × 214,340.75 - Step 4: Simplify right side
395,624.30x = 117,021,637,282.74 - Step 5: Solve for x
x = 117,021,637,282.74/395,624.30 - Step 6: Final answer
x = 295,789.82
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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.