Finding the Fourth Proportional to 134,774.91, 202,286.50 and 68,261.36
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Solution
The fourth proportional to 134,774.91, 202,286.50 and 68,261.36 is: 102,454.90
Step by Step Solution
- Step 1: Write the proportion equation
134,774.91 : 202,286.50 = 68,261.36 : x - Step 2: Convert to fraction form
134,774.91/202,286.50 = 68,261.36/x - Step 3: Cross multiply
134,774.91x = 202,286.50 × 68,261.36 - Step 4: Simplify right side
134,774.91x = 13,808,350,417.55 - Step 5: Solve for x
x = 13,808,350,417.55/134,774.91 - Step 6: Final answer
x = 102,454.90
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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.