Finding the Fourth Proportional to 246,353.68, 339,968.60 and 133,176.40
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Solution
The fourth proportional to 246,353.68, 339,968.60 and 133,176.40 is: 183,783.71
Step by Step Solution
- Step 1: Write the proportion equation
246,353.68 : 339,968.60 = 133,176.40 : x - Step 2: Convert to fraction form
246,353.68/339,968.60 = 133,176.40/x - Step 3: Cross multiply
246,353.68x = 339,968.60 × 133,176.40 - Step 4: Simplify right side
246,353.68x = 45,275,794,261.04 - Step 5: Solve for x
x = 45,275,794,261.04/246,353.68 - Step 6: Final answer
x = 183,783.71
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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.