Finding the Fourth Proportional to 141,013.29, 211,457.61 and 66,072.99
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Solution
The fourth proportional to 141,013.29, 211,457.61 and 66,072.99 is: 99,080.28
Step by Step Solution
- Step 1: Write the proportion equation
141,013.29 : 211,457.61 = 66,072.99 : x - Step 2: Convert to fraction form
141,013.29/211,457.61 = 66,072.99/x - Step 3: Cross multiply
141,013.29x = 211,457.61 × 66,072.99 - Step 4: Simplify right side
141,013.29x = 13,971,636,550.95 - Step 5: Solve for x
x = 13,971,636,550.95/141,013.29 - Step 6: Final answer
x = 99,080.28
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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.