Finding the Fourth Proportional to 185,326.91, 278,297.90 and 115,649.09
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Solution
The fourth proportional to 185,326.91, 278,297.90 and 115,649.09 is: 173,665.55
Step by Step Solution
- Step 1: Write the proportion equation
185,326.91 : 278,297.90 = 115,649.09 : x - Step 2: Convert to fraction form
185,326.91/278,297.90 = 115,649.09/x - Step 3: Cross multiply
185,326.91x = 278,297.90 × 115,649.09 - Step 4: Simplify right side
185,326.91x = 32,184,898,883.91 - Step 5: Solve for x
x = 32,184,898,883.91/185,326.91 - Step 6: Final answer
x = 173,665.55
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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.