Finding the Fourth Proportional to 424,905.24, 636,891.30 and 144,211.08
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Solution
The fourth proportional to 424,905.24, 636,891.30 and 144,211.08 is: 216,158.27
Step by Step Solution
- Step 1: Write the proportion equation
424,905.24 : 636,891.30 = 144,211.08 : x - Step 2: Convert to fraction form
424,905.24/636,891.30 = 144,211.08/x - Step 3: Cross multiply
424,905.24x = 636,891.30 × 144,211.08 - Step 4: Simplify right side
424,905.24x = 91,846,782,215.60 - Step 5: Solve for x
x = 91,846,782,215.60/424,905.24 - Step 6: Final answer
x = 216,158.27
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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.