Finding the Fourth Proportional to 115,615.14, 173,422.76 and 32,509.14
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Solution
The fourth proportional to 115,615.14, 173,422.76 and 32,509.14 is: 48,763.72
Step by Step Solution
- Step 1: Write the proportion equation
115,615.14 : 173,422.76 = 32,509.14 : x - Step 2: Convert to fraction form
115,615.14/173,422.76 = 32,509.14/x - Step 3: Cross multiply
115,615.14x = 173,422.76 × 32,509.14 - Step 4: Simplify right side
115,615.14x = 5,637,824,784.03 - Step 5: Solve for x
x = 5,637,824,784.03/115,615.14 - Step 6: Final answer
x = 48,763.72
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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.