Finding the Fourth Proportional to 225,938.08, 311,794.84 and 125,336.08
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Solution
The fourth proportional to 225,938.08, 311,794.84 and 125,336.08 is: 172,963.95
Step by Step Solution
- Step 1: Write the proportion equation
225,938.08 : 311,794.84 = 125,336.08 : x - Step 2: Convert to fraction form
225,938.08/311,794.84 = 125,336.08/x - Step 3: Cross multiply
225,938.08x = 311,794.84 × 125,336.08 - Step 4: Simplify right side
225,938.08x = 39,079,143,009.83 - Step 5: Solve for x
x = 39,079,143,009.83/225,938.08 - Step 6: Final answer
x = 172,963.95
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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.