Finding the Fourth Proportional to 610,711.83, 916,130.58 and 211,351.98
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Solution
The fourth proportional to 610,711.83, 916,130.58 and 211,351.98 is: 317,049.72
Step by Step Solution
- Step 1: Write the proportion equation
610,711.83 : 916,130.58 = 211,351.98 : x - Step 2: Convert to fraction form
610,711.83/916,130.58 = 211,351.98/x - Step 3: Cross multiply
610,711.83x = 916,130.58 × 211,351.98 - Step 4: Simplify right side
610,711.83x = 193,626,012,021.55 - Step 5: Solve for x
x = 193,626,012,021.55/610,711.83 - Step 6: Final answer
x = 317,049.72
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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.