Finding the Fourth Proportional to 199,800.75, 299,794.14 and 87,466.17
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Solution
The fourth proportional to 199,800.75, 299,794.14 and 87,466.17 is: 131,239.97
Step by Step Solution
- Step 1: Write the proportion equation
199,800.75 : 299,794.14 = 87,466.17 : x - Step 2: Convert to fraction form
199,800.75/299,794.14 = 87,466.17/x - Step 3: Cross multiply
199,800.75x = 299,794.14 × 87,466.17 - Step 4: Simplify right side
199,800.75x = 26,221,845,214.24 - Step 5: Solve for x
x = 26,221,845,214.24/199,800.75 - Step 6: Final answer
x = 131,239.97
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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.