Finding the Fourth Proportional to 462,471.40, 693,246.30 and 212,717.80
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Solution
The fourth proportional to 462,471.40, 693,246.30 and 212,717.80 is: 318,864.75
Step by Step Solution
- Step 1: Write the proportion equation
462,471.40 : 693,246.30 = 212,717.80 : x - Step 2: Convert to fraction form
462,471.40/693,246.30 = 212,717.80/x - Step 3: Cross multiply
462,471.40x = 693,246.30 × 212,717.80 - Step 4: Simplify right side
462,471.40x = 147,465,827,794.14 - Step 5: Solve for x
x = 147,465,827,794.14/462,471.40 - Step 6: Final answer
x = 318,864.75
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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.