Finding the Fourth Proportional to 442,470.69, 610,661.99 and 251,512.79
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Solution
The fourth proportional to 442,470.69, 610,661.99 and 251,512.79 is: 347,117.45
Step by Step Solution
- Step 1: Write the proportion equation
442,470.69 : 610,661.99 = 251,512.79 : x - Step 2: Convert to fraction form
442,470.69/610,661.99 = 251,512.79/x - Step 3: Cross multiply
442,470.69x = 610,661.99 × 251,512.79 - Step 4: Simplify right side
442,470.69x = 153,589,296,540.98 - Step 5: Solve for x
x = 153,589,296,540.98/442,470.69 - Step 6: Final answer
x = 347,117.45
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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.