Finding the Fourth Proportional to 330,879.84, 456,695.28 and 187,723.68
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Solution
The fourth proportional to 330,879.84, 456,695.28 and 187,723.68 is: 259,104.69
Step by Step Solution
- Step 1: Write the proportion equation
330,879.84 : 456,695.28 = 187,723.68 : x - Step 2: Convert to fraction form
330,879.84/456,695.28 = 187,723.68/x - Step 3: Cross multiply
330,879.84x = 456,695.28 × 187,723.68 - Step 4: Simplify right side
330,879.84x = 85,732,518,600.23 - Step 5: Solve for x
x = 85,732,518,600.23/330,879.84 - Step 6: Final answer
x = 259,104.69
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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.