Finding the Fourth Proportional to 245,029.80, 367,544.70 and 120,613.80
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Solution
The fourth proportional to 245,029.80, 367,544.70 and 120,613.80 is: 180,920.70
Step by Step Solution
- Step 1: Write the proportion equation
245,029.80 : 367,544.70 = 120,613.80 : x - Step 2: Convert to fraction form
245,029.80/367,544.70 = 120,613.80/x - Step 3: Cross multiply
245,029.80x = 367,544.70 × 120,613.80 - Step 4: Simplify right side
245,029.80x = 44,330,962,936.86 - Step 5: Solve for x
x = 44,330,962,936.86/245,029.80 - Step 6: Final answer
x = 180,920.70
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1.5x scale
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.