Finding the Fourth Proportional to 115,752.58, 173,656.44 and 36,866.68
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Solution
The fourth proportional to 115,752.58, 173,656.44 and 36,866.68 is: 55,308.80
Step by Step Solution
- Step 1: Write the proportion equation
115,752.58 : 173,656.44 = 36,866.68 : x - Step 2: Convert to fraction form
115,752.58/173,656.44 = 36,866.68/x - Step 3: Cross multiply
115,752.58x = 173,656.44 × 36,866.68 - Step 4: Simplify right side
115,752.58x = 6,402,136,403.42 - Step 5: Solve for x
x = 6,402,136,403.42/115,752.58 - Step 6: Final answer
x = 55,308.80
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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.