Finding the Fourth Proportional to 442,490.05, 610,636.08 and 241,286.05
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Solution
The fourth proportional to 442,490.05, 610,636.08 and 241,286.05 is: 332,974.65
Step by Step Solution
- Step 1: Write the proportion equation
442,490.05 : 610,636.08 = 241,286.05 : x - Step 2: Convert to fraction form
442,490.05/610,636.08 = 241,286.05/x - Step 3: Cross multiply
442,490.05x = 610,636.08 × 241,286.05 - Step 4: Simplify right side
442,490.05x = 147,337,967,730.68 - Step 5: Solve for x
x = 147,337,967,730.68/442,490.05 - Step 6: Final answer
x = 332,974.65
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1.5x scale
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.