Finding the Fourth Proportional to 254,944.80, 382,338.80 and 84,134.88
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Solution
The fourth proportional to 254,944.80, 382,338.80 and 84,134.88 is: 126,176.45
Step by Step Solution
- Step 1: Write the proportion equation
254,944.80 : 382,338.80 = 84,134.88 : x - Step 2: Convert to fraction form
254,944.80/382,338.80 = 84,134.88/x - Step 3: Cross multiply
254,944.80x = 382,338.80 × 84,134.88 - Step 4: Simplify right side
254,944.80x = 32,168,029,057.34 - Step 5: Solve for x
x = 32,168,029,057.34/254,944.80 - Step 6: Final answer
x = 126,176.45
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1.5x scale
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.