Finding the Fourth Proportional to 408,935.99, 564,344.21 and 222,679.80
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Solution
The fourth proportional to 408,935.99, 564,344.21 and 222,679.80 is: 307,304.95
Step by Step Solution
- Step 1: Write the proportion equation
408,935.99 : 564,344.21 = 222,679.80 : x - Step 2: Convert to fraction form
408,935.99/564,344.21 = 222,679.80/x - Step 3: Cross multiply
408,935.99x = 564,344.21 × 222,679.80 - Step 4: Simplify right side
408,935.99x = 125,668,056,370.66 - Step 5: Solve for x
x = 125,668,056,370.66/408,935.99 - Step 6: Final answer
x = 307,304.95
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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.