Finding the Fourth Proportional to 442,465.26, 663,695.99 and 122,616.21
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Solution
The fourth proportional to 442,465.26, 663,695.99 and 122,616.21 is: 183,923.79
Step by Step Solution
- Step 1: Write the proportion equation
442,465.26 : 663,695.99 = 122,616.21 : x - Step 2: Convert to fraction form
442,465.26/663,695.99 = 122,616.21/x - Step 3: Cross multiply
442,465.26x = 663,695.99 × 122,616.21 - Step 4: Simplify right side
442,465.26x = 81,379,886,886.00 - Step 5: Solve for x
x = 81,379,886,886.00/442,465.26 - Step 6: Final answer
x = 183,923.79
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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.