Finding the Fourth Proportional to 245,404.80, 368,107.20 and 87,649.20
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Solution
The fourth proportional to 245,404.80, 368,107.20 and 87,649.20 is: 131,473.80
Step by Step Solution
- Step 1: Write the proportion equation
245,404.80 : 368,107.20 = 87,649.20 : x - Step 2: Convert to fraction form
245,404.80/368,107.20 = 87,649.20/x - Step 3: Cross multiply
245,404.80x = 368,107.20 × 87,649.20 - Step 4: Simplify right side
245,404.80x = 32,264,301,594.24 - Step 5: Solve for x
x = 32,264,301,594.24/245,404.80 - Step 6: Final answer
x = 131,473.80
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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.