Finding the Fourth Proportional to 115,549.74, 173,211.21 and 59,416.74
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Solution
The fourth proportional to 115,549.74, 173,211.21 and 59,416.74 is: 89,066.80
Step by Step Solution
- Step 1: Write the proportion equation
115,549.74 : 173,211.21 = 59,416.74 : x - Step 2: Convert to fraction form
115,549.74/173,211.21 = 59,416.74/x - Step 3: Cross multiply
115,549.74x = 173,211.21 × 59,416.74 - Step 4: Simplify right side
115,549.74x = 10,291,645,429.66 - Step 5: Solve for x
x = 10,291,645,429.66/115,549.74 - Step 6: Final answer
x = 89,066.80
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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.