Finding the Fourth Proportional to 178,968.36, 246,963.62 and 98,393.80
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Solution
The fourth proportional to 178,968.36, 246,963.62 and 98,393.80 is: 135,776.45
Step by Step Solution
- Step 1: Write the proportion equation
178,968.36 : 246,963.62 = 98,393.80 : x - Step 2: Convert to fraction form
178,968.36/246,963.62 = 98,393.80/x - Step 3: Cross multiply
178,968.36x = 246,963.62 × 98,393.80 - Step 4: Simplify right side
178,968.36x = 24,299,689,033.56 - Step 5: Solve for x
x = 24,299,689,033.56/178,968.36 - Step 6: Final answer
x = 135,776.45
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1.5x scale
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.