Finding the Fourth Proportional to 140,775.84, 211,191.84 and 47,278.08
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Solution
The fourth proportional to 140,775.84, 211,191.84 and 47,278.08 is: 70,926.55
Step by Step Solution
- Step 1: Write the proportion equation
140,775.84 : 211,191.84 = 47,278.08 : x - Step 2: Convert to fraction form
140,775.84/211,191.84 = 47,278.08/x - Step 3: Cross multiply
140,775.84x = 211,191.84 × 47,278.08 - Step 4: Simplify right side
140,775.84x = 9,984,744,706.87 - Step 5: Solve for x
x = 9,984,744,706.87/140,775.84 - Step 6: Final answer
x = 70,926.55
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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.