Finding the Fourth Proportional to 246,679.88, 340,420.13 and 144,707.02
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Solution
The fourth proportional to 246,679.88, 340,420.13 and 144,707.02 is: 199,696.80
Step by Step Solution
- Step 1: Write the proportion equation
246,679.88 : 340,420.13 = 144,707.02 : x - Step 2: Convert to fraction form
246,679.88/340,420.13 = 144,707.02/x - Step 3: Cross multiply
246,679.88x = 340,420.13 × 144,707.02 - Step 4: Simplify right side
246,679.88x = 49,261,182,560.31 - Step 5: Solve for x
x = 49,261,182,560.31/246,679.88 - Step 6: Final answer
x = 199,696.80
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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.