Finding the Fourth Proportional to 199,902.98, 299,937.36 and 87,525.20
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Solution
The fourth proportional to 199,902.98, 299,937.36 and 87,525.20 is: 131,324.09
Step by Step Solution
- Step 1: Write the proportion equation
199,902.98 : 299,937.36 = 87,525.20 : x - Step 2: Convert to fraction form
199,902.98/299,937.36 = 87,525.20/x - Step 3: Cross multiply
199,902.98x = 299,937.36 × 87,525.20 - Step 4: Simplify right side
199,902.98x = 26,252,077,421.47 - Step 5: Solve for x
x = 26,252,077,421.47/199,902.98 - Step 6: Final answer
x = 131,324.09
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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.