Finding the Fourth Proportional to 87,178.25, 130,767.37 and 24,847.13
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Solution
The fourth proportional to 87,178.25, 130,767.37 and 24,847.13 is: 37,270.69
Step by Step Solution
- Step 1: Write the proportion equation
87,178.25 : 130,767.37 = 24,847.13 : x - Step 2: Convert to fraction form
87,178.25/130,767.37 = 24,847.13/x - Step 3: Cross multiply
87,178.25x = 130,767.37 × 24,847.13 - Step 4: Simplify right side
87,178.25x = 3,249,193,842.15 - Step 5: Solve for x
x = 3,249,193,842.15/87,178.25 - Step 6: Final answer
x = 37,270.69
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1.5x scale
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.