Finding the Fourth Proportional to 311,308.68, 429,576.84 and 183,959.94
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Solution
The fourth proportional to 311,308.68, 429,576.84 and 183,959.94 is: 253,847.50
Step by Step Solution
- Step 1: Write the proportion equation
311,308.68 : 429,576.84 = 183,959.94 : x - Step 2: Convert to fraction form
311,308.68/429,576.84 = 183,959.94/x - Step 3: Cross multiply
311,308.68x = 429,576.84 × 183,959.94 - Step 4: Simplify right side
311,308.68x = 79,024,929,711.79 - Step 5: Solve for x
x = 79,024,929,711.79/311,308.68 - Step 6: Final answer
x = 253,847.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.