Finding the Fourth Proportional to 445,815.68, 615,293.17 and 284,777.99
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Solution
The fourth proportional to 445,815.68, 615,293.17 and 284,777.99 is: 393,036.76
Step by Step Solution
- Step 1: Write the proportion equation
445,815.68 : 615,293.17 = 284,777.99 : x - Step 2: Convert to fraction form
445,815.68/615,293.17 = 284,777.99/x - Step 3: Cross multiply
445,815.68x = 615,293.17 × 284,777.99 - Step 4: Simplify right side
445,815.68x = 175,221,948,424.92 - Step 5: Solve for x
x = 175,221,948,424.92/445,815.68 - Step 6: Final answer
x = 393,036.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.