Finding the Fourth Proportional to 512,352.24, 707,048.04 and 282,905.68
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Solution
The fourth proportional to 512,352.24, 707,048.04 and 282,905.68 is: 390,410.91
Step by Step Solution
- Step 1: Write the proportion equation
512,352.24 : 707,048.04 = 282,905.68 : x - Step 2: Convert to fraction form
512,352.24/707,048.04 = 282,905.68/x - Step 3: Cross multiply
512,352.24x = 707,048.04 × 282,905.68 - Step 4: Simplify right side
512,352.24x = 200,027,906,548.87 - Step 5: Solve for x
x = 200,027,906,548.87/512,352.24 - Step 6: Final answer
x = 390,410.91
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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.