Finding the Fourth Proportional to 275,735.52, 380,418.12 and 180,298.08
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Solution
The fourth proportional to 275,735.52, 380,418.12 and 180,298.08 is: 248,747.99
Step by Step Solution
- Step 1: Write the proportion equation
275,735.52 : 380,418.12 = 180,298.08 : x - Step 2: Convert to fraction form
275,735.52/380,418.12 = 180,298.08/x - Step 3: Cross multiply
275,735.52x = 380,418.12 × 180,298.08 - Step 4: Simplify right side
275,735.52x = 68,588,656,633.21 - Step 5: Solve for x
x = 68,588,656,633.21/275,735.52 - Step 6: Final answer
x = 248,747.99
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1.5x scale
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.