Finding the Fourth Proportional to 140,885.68, 211,329.36 and 35,704.96
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Solution
The fourth proportional to 140,885.68, 211,329.36 and 35,704.96 is: 53,557.65
Step by Step Solution
- Step 1: Write the proportion equation
140,885.68 : 211,329.36 = 35,704.96 : x - Step 2: Convert to fraction form
140,885.68/211,329.36 = 35,704.96/x - Step 3: Cross multiply
140,885.68x = 211,329.36 × 35,704.96 - Step 4: Simplify right side
140,885.68x = 7,545,506,345.63 - Step 5: Solve for x
x = 7,545,506,345.63/140,885.68 - Step 6: Final answer
x = 53,557.65
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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.