Finding the Fourth Proportional to 141,029.44, 211,345.26 and 77,877.99
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Solution
The fourth proportional to 141,029.44, 211,345.26 and 77,877.99 is: 116,707.15
Step by Step Solution
- Step 1: Write the proportion equation
141,029.44 : 211,345.26 = 77,877.99 : x - Step 2: Convert to fraction form
141,029.44/211,345.26 = 77,877.99/x - Step 3: Cross multiply
141,029.44x = 211,345.26 × 77,877.99 - Step 4: Simplify right side
141,029.44x = 16,459,144,044.83 - Step 5: Solve for x
x = 16,459,144,044.83/141,029.44 - Step 6: Final answer
x = 116,707.15
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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.