Finding the Fourth Proportional to 180,418.99, 270,629.62 and 47,298.06
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Solution
The fourth proportional to 180,418.99, 270,629.62 and 47,298.06 is: 70,947.38
Step by Step Solution
- Step 1: Write the proportion equation
180,418.99 : 270,629.62 = 47,298.06 : x - Step 2: Convert to fraction form
180,418.99/270,629.62 = 47,298.06/x - Step 3: Cross multiply
180,418.99x = 270,629.62 × 47,298.06 - Step 4: Simplify right side
180,418.99x = 12,800,254,414.90 - Step 5: Solve for x
x = 12,800,254,414.90/180,418.99 - Step 6: Final answer
x = 70,947.38
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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.