Finding the Fourth Proportional to 227,056.63, 313,338.15 and 126,454.63
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Solution
The fourth proportional to 227,056.63, 313,338.15 and 126,454.63 is: 174,507.39
Step by Step Solution
- Step 1: Write the proportion equation
227,056.63 : 313,338.15 = 126,454.63 : x - Step 2: Convert to fraction form
227,056.63/313,338.15 = 126,454.63/x - Step 3: Cross multiply
227,056.63x = 313,338.15 × 126,454.63 - Step 4: Simplify right side
227,056.63x = 39,623,059,823.13 - Step 5: Solve for x
x = 39,623,059,823.13/227,056.63 - Step 6: Final answer
x = 174,507.39
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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.