Finding the Fourth Proportional to 115,909.27, 173,863.90 and 63,290.05
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Solution
The fourth proportional to 115,909.27, 173,863.90 and 63,290.05 is: 94,935.07
Step by Step Solution
- Step 1: Write the proportion equation
115,909.27 : 173,863.90 = 63,290.05 : x - Step 2: Convert to fraction form
115,909.27/173,863.90 = 63,290.05/x - Step 3: Cross multiply
115,909.27x = 173,863.90 × 63,290.05 - Step 4: Simplify right side
115,909.27x = 11,003,854,924.20 - Step 5: Solve for x
x = 11,003,854,924.20/115,909.27 - Step 6: Final answer
x = 94,935.07
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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.