Finding the Fourth Proportional to 312,380.74, 468,511.51 and 152,295.99
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Solution
The fourth proportional to 312,380.74, 468,511.51 and 152,295.99 is: 228,414.93
Step by Step Solution
- Step 1: Write the proportion equation
312,380.74 : 468,511.51 = 152,295.99 : x - Step 2: Convert to fraction form
312,380.74/468,511.51 = 152,295.99/x - Step 3: Cross multiply
312,380.74x = 468,511.51 × 152,295.99 - Step 4: Simplify right side
312,380.74x = 71,352,424,241.84 - Step 5: Solve for x
x = 71,352,424,241.84/312,380.74 - Step 6: Final answer
x = 228,414.93
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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.