Finding the Fourth Proportional to 155,158.12, 213,988.26 and 95,438.44
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Solution
The fourth proportional to 155,158.12, 213,988.26 and 95,438.44 is: 131,625.12
Step by Step Solution
- Step 1: Write the proportion equation
155,158.12 : 213,988.26 = 95,438.44 : x - Step 2: Convert to fraction form
155,158.12/213,988.26 = 95,438.44/x - Step 3: Cross multiply
155,158.12x = 213,988.26 × 95,438.44 - Step 4: Simplify right side
155,158.12x = 20,422,705,712.71 - Step 5: Solve for x
x = 20,422,705,712.71/155,158.12 - Step 6: Final answer
x = 131,625.12
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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.