Finding the Fourth Proportional to 320,966.08, 481,513.92 and 221,174.08
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Solution
The fourth proportional to 320,966.08, 481,513.92 and 221,174.08 is: 331,805.77
Step by Step Solution
- Step 1: Write the proportion equation
320,966.08 : 481,513.92 = 221,174.08 : x - Step 2: Convert to fraction form
320,966.08/481,513.92 = 221,174.08/x - Step 3: Cross multiply
320,966.08x = 481,513.92 × 221,174.08 - Step 4: Simplify right side
320,966.08x = 106,498,398,263.19 - Step 5: Solve for x
x = 106,498,398,263.19/320,966.08 - Step 6: Final answer
x = 331,805.77
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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.