Finding the Fourth Proportional to 445,634.16, 668,403.84 and 125,778.12
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Solution
The fourth proportional to 445,634.16, 668,403.84 and 125,778.12 is: 188,653.80
Step by Step Solution
- Step 1: Write the proportion equation
445,634.16 : 668,403.84 = 125,778.12 : x - Step 2: Convert to fraction form
445,634.16/668,403.84 = 125,778.12/x - Step 3: Cross multiply
445,634.16x = 668,403.84 × 125,778.12 - Step 4: Simplify right side
445,634.16x = 84,070,578,395.98 - Step 5: Solve for x
x = 84,070,578,395.98/445,634.16 - Step 6: Final answer
x = 188,653.80
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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.