Finding the Fourth Proportional to 199,896.36, 299,927.62 and 87,518.70
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Solution
The fourth proportional to 199,896.36, 299,927.62 and 87,518.70 is: 131,314.42
Step by Step Solution
- Step 1: Write the proportion equation
199,896.36 : 299,927.62 = 87,518.70 : x - Step 2: Convert to fraction form
199,896.36/299,927.62 = 87,518.70/x - Step 3: Cross multiply
199,896.36x = 299,927.62 × 87,518.70 - Step 4: Simplify right side
199,896.36x = 26,249,275,396.49 - Step 5: Solve for x
x = 26,249,275,396.49/199,896.36 - Step 6: Final answer
x = 131,314.42
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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.