Finding the Fourth Proportional to 313,640.14, 432,728.04 and 177,652.48
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Solution
The fourth proportional to 313,640.14, 432,728.04 and 177,652.48 is: 245,106.41
Step by Step Solution
- Step 1: Write the proportion equation
313,640.14 : 432,728.04 = 177,652.48 : x - Step 2: Convert to fraction form
313,640.14/432,728.04 = 177,652.48/x - Step 3: Cross multiply
313,640.14x = 432,728.04 × 177,652.48 - Step 4: Simplify right side
313,640.14x = 76,875,209,471.54 - Step 5: Solve for x
x = 76,875,209,471.54/313,640.14 - Step 6: Final answer
x = 245,106.41
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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.