Finding the Fourth Proportional to 247,452.01, 371,173.45 and 78,970.99
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Solution
The fourth proportional to 247,452.01, 371,173.45 and 78,970.99 is: 118,455.03
Step by Step Solution
- Step 1: Write the proportion equation
247,452.01 : 371,173.45 = 78,970.99 : x - Step 2: Convert to fraction form
247,452.01/371,173.45 = 78,970.99/x - Step 3: Cross multiply
247,452.01x = 371,173.45 × 78,970.99 - Step 4: Simplify right side
247,452.01x = 29,311,934,808.22 - Step 5: Solve for x
x = 29,311,934,808.22/247,452.01 - Step 6: Final answer
x = 118,455.03
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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.