Finding the Fourth Proportional to 402,896.04, 555,957.92 and 221,605.08
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Solution
The fourth proportional to 402,896.04, 555,957.92 and 221,605.08 is: 305,793.77
Step by Step Solution
- Step 1: Write the proportion equation
402,896.04 : 555,957.92 = 221,605.08 : x - Step 2: Convert to fraction form
402,896.04/555,957.92 = 221,605.08/x - Step 3: Cross multiply
402,896.04x = 555,957.92 × 221,605.08 - Step 4: Simplify right side
402,896.04x = 123,203,099,338.23 - Step 5: Solve for x
x = 123,203,099,338.23/402,896.04 - Step 6: Final answer
x = 305,793.77
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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.