Finding the Fourth Proportional to 79,602.58, 119,305.45 and 40,170.97
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Solution
The fourth proportional to 79,602.58, 119,305.45 and 40,170.97 is: 60,206.79
Step by Step Solution
- Step 1: Write the proportion equation
79,602.58 : 119,305.45 = 40,170.97 : x - Step 2: Convert to fraction form
79,602.58/119,305.45 = 40,170.97/x - Step 3: Cross multiply
79,602.58x = 119,305.45 × 40,170.97 - Step 4: Simplify right side
79,602.58x = 4,792,615,652.79 - Step 5: Solve for x
x = 4,792,615,652.79/79,602.58 - Step 6: Final answer
x = 60,206.79
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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.