Finding the Fourth Proportional to 199,784.26, 299,720.16 and 75,125.26
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Solution
The fourth proportional to 199,784.26, 299,720.16 and 75,125.26 is: 112,704.35
Step by Step Solution
- Step 1: Write the proportion equation
199,784.26 : 299,720.16 = 75,125.26 : x - Step 2: Convert to fraction form
199,784.26/299,720.16 = 75,125.26/x - Step 3: Cross multiply
199,784.26x = 299,720.16 × 75,125.26 - Step 4: Simplify right side
199,784.26x = 22,516,554,947.24 - Step 5: Solve for x
x = 22,516,554,947.24/199,784.26 - Step 6: Final answer
x = 112,704.35
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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.