Finding the Fourth Proportional to 177,867.60, 245,519.84 and 109,936.68
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Solution
The fourth proportional to 177,867.60, 245,519.84 and 109,936.68 is: 151,751.28
Step by Step Solution
- Step 1: Write the proportion equation
177,867.60 : 245,519.84 = 109,936.68 : x - Step 2: Convert to fraction form
177,867.60/245,519.84 = 109,936.68/x - Step 3: Cross multiply
177,867.60x = 245,519.84 × 109,936.68 - Step 4: Simplify right side
177,867.60x = 26,991,636,083.73 - Step 5: Solve for x
x = 26,991,636,083.73/177,867.60 - Step 6: Final answer
x = 151,751.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.