Finding the Fourth Proportional to 92,158.36, 138,291.30 and 38,847.09
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Solution
The fourth proportional to 92,158.36, 138,291.30 and 38,847.09 is: 58,293.30
Step by Step Solution
- Step 1: Write the proportion equation
92,158.36 : 138,291.30 = 38,847.09 : x - Step 2: Convert to fraction form
92,158.36/138,291.30 = 38,847.09/x - Step 3: Cross multiply
92,158.36x = 138,291.30 × 38,847.09 - Step 4: Simplify right side
92,158.36x = 5,372,215,095.91 - Step 5: Solve for x
x = 5,372,215,095.91/92,158.36 - Step 6: Final answer
x = 58,293.30
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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.