Finding the Fourth Proportional to 465,370.76, 642,456.56 and 313,208.88
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Solution
The fourth proportional to 465,370.76, 642,456.56 and 313,208.88 is: 432,393.09
Step by Step Solution
- Step 1: Write the proportion equation
465,370.76 : 642,456.56 = 313,208.88 : x - Step 2: Convert to fraction form
465,370.76/642,456.56 = 313,208.88/x - Step 3: Cross multiply
465,370.76x = 642,456.56 × 313,208.88 - Step 4: Simplify right side
465,370.76x = 201,223,099,606.25 - Step 5: Solve for x
x = 201,223,099,606.25/465,370.76 - Step 6: Final answer
x = 432,393.09
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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.