Finding the Fourth Proportional to 373,138.80, 514,525.01 and 252,069.99
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Solution
The fourth proportional to 373,138.80, 514,525.01 and 252,069.99 is: 347,581.95
Step by Step Solution
- Step 1: Write the proportion equation
373,138.80 : 514,525.01 = 252,069.99 : x - Step 2: Convert to fraction form
373,138.80/514,525.01 = 252,069.99/x - Step 3: Cross multiply
373,138.80x = 514,525.01 × 252,069.99 - Step 4: Simplify right side
373,138.80x = 129,696,312,865.10 - Step 5: Solve for x
x = 129,696,312,865.10/373,138.80 - Step 6: Final answer
x = 347,581.95
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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.