Finding the Fourth Proportional to 445,565.49, 668,387.52 and 125,720.19
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Solution
The fourth proportional to 445,565.49, 668,387.52 and 125,720.19 is: 188,591.37
Step by Step Solution
- Step 1: Write the proportion equation
445,565.49 : 668,387.52 = 125,720.19 : x - Step 2: Convert to fraction form
445,565.49/668,387.52 = 125,720.19/x - Step 3: Cross multiply
445,565.49x = 668,387.52 × 125,720.19 - Step 4: Simplify right side
445,565.49x = 84,029,806,008.03 - Step 5: Solve for x
x = 84,029,806,008.03/445,565.49 - Step 6: Final answer
x = 188,591.37
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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.