Finding the Fourth Proportional to 480,291.88, 720,457.26 and 180,740.92
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Solution
The fourth proportional to 480,291.88, 720,457.26 and 180,740.92 is: 271,118.70
Step by Step Solution
- Step 1: Write the proportion equation
480,291.88 : 720,457.26 = 180,740.92 : x - Step 2: Convert to fraction form
480,291.88/720,457.26 = 180,740.92/x - Step 3: Cross multiply
480,291.88x = 720,457.26 × 180,740.92 - Step 4: Simplify right side
480,291.88x = 130,216,107,993.08 - Step 5: Solve for x
x = 130,216,107,993.08/480,291.88 - Step 6: Final answer
x = 271,118.70
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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.