Finding the Fourth Proportional to 225,417.94, 311,076.75 and 124,815.94
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Solution
The fourth proportional to 225,417.94, 311,076.75 and 124,815.94 is: 172,245.99
Step by Step Solution
- Step 1: Write the proportion equation
225,417.94 : 311,076.75 = 124,815.94 : x - Step 2: Convert to fraction form
225,417.94/311,076.75 = 124,815.94/x - Step 3: Cross multiply
225,417.94x = 311,076.75 × 124,815.94 - Step 4: Simplify right side
225,417.94x = 38,827,336,653.76 - Step 5: Solve for x
x = 38,827,336,653.76/225,417.94 - Step 6: Final answer
x = 172,245.99
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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.