Finding the Fourth Proportional to 293,740.08, 440,610.39 and 80,509.74
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Solution
The fourth proportional to 293,740.08, 440,610.39 and 80,509.74 is: 120,764.68
Step by Step Solution
- Step 1: Write the proportion equation
293,740.08 : 440,610.39 = 80,509.74 : x - Step 2: Convert to fraction form
293,740.08/440,610.39 = 80,509.74/x - Step 3: Cross multiply
293,740.08x = 440,610.39 × 80,509.74 - Step 4: Simplify right side
293,740.08x = 35,473,427,940.20 - Step 5: Solve for x
x = 35,473,427,940.20/293,740.08 - Step 6: Final answer
x = 120,764.68
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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.