Finding the Fourth Proportional to 247,451.01, 371,171.95 and 78,969.99
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Solution
The fourth proportional to 247,451.01, 371,171.95 and 78,969.99 is: 118,453.53
Step by Step Solution
- Step 1: Write the proportion equation
247,451.01 : 371,171.95 = 78,969.99 : x - Step 2: Convert to fraction form
247,451.01/371,171.95 = 78,969.99/x - Step 3: Cross multiply
247,451.01x = 371,171.95 × 78,969.99 - Step 4: Simplify right side
247,451.01x = 29,311,445,179.78 - Step 5: Solve for x
x = 29,311,445,179.78/247,451.01 - Step 6: Final answer
x = 118,453.53
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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.