Finding the Fourth Proportional to 134,416.55, 201,625.40 and 54,456.08
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Solution
The fourth proportional to 134,416.55, 201,625.40 and 54,456.08 is: 81,684.34
Step by Step Solution
- Step 1: Write the proportion equation
134,416.55 : 201,625.40 = 54,456.08 : x - Step 2: Convert to fraction form
134,416.55/201,625.40 = 54,456.08/x - Step 3: Cross multiply
134,416.55x = 201,625.40 × 54,456.08 - Step 4: Simplify right side
134,416.55x = 10,979,727,632.02 - Step 5: Solve for x
x = 10,979,727,632.02/134,416.55 - Step 6: Final answer
x = 81,684.34
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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.