Finding the Fourth Proportional to 451,422.99, 676,937.63 and 170,743.41
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Solution
The fourth proportional to 451,422.99, 676,937.63 and 170,743.41 is: 256,040.66
Step by Step Solution
- Step 1: Write the proportion equation
451,422.99 : 676,937.63 = 170,743.41 : x - Step 2: Convert to fraction form
451,422.99/676,937.63 = 170,743.41/x - Step 3: Cross multiply
451,422.99x = 676,937.63 × 170,743.41 - Step 4: Simplify right side
451,422.99x = 115,582,638,449.80 - Step 5: Solve for x
x = 115,582,638,449.80/451,422.99 - Step 6: Final answer
x = 256,040.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.