Finding the Fourth Proportional to 177,281.76, 244,739.08 and 136,904.88
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Solution
The fourth proportional to 177,281.76, 244,739.08 and 136,904.88 is: 188,998.43
Step by Step Solution
- Step 1: Write the proportion equation
177,281.76 : 244,739.08 = 136,904.88 : x - Step 2: Convert to fraction form
177,281.76/244,739.08 = 136,904.88/x - Step 3: Cross multiply
177,281.76x = 244,739.08 × 136,904.88 - Step 4: Simplify right side
177,281.76x = 33,505,974,378.71 - Step 5: Solve for x
x = 33,505,974,378.71/177,281.76 - Step 6: Final answer
x = 188,998.43
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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.