Finding the Fourth Proportional to 225,931.08, 311,785.26 and 125,329.08
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Solution
The fourth proportional to 225,931.08, 311,785.26 and 125,329.08 is: 172,954.34
Step by Step Solution
- Step 1: Write the proportion equation
225,931.08 : 311,785.26 = 125,329.08 : x - Step 2: Convert to fraction form
225,931.08/311,785.26 = 125,329.08/x - Step 3: Cross multiply
225,931.08x = 311,785.26 × 125,329.08 - Step 4: Simplify right side
225,931.08x = 39,075,759,793.36 - Step 5: Solve for x
x = 39,075,759,793.36/225,931.08 - Step 6: Final answer
x = 172,954.34
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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.