Finding the Fourth Proportional to 225,928.08, 311,781.12 and 125,326.08
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Solution
The fourth proportional to 225,928.08, 311,781.12 and 125,326.08 is: 172,950.20
Step by Step Solution
- Step 1: Write the proportion equation
225,928.08 : 311,781.12 = 125,326.08 : x - Step 2: Convert to fraction form
225,928.08/311,781.12 = 125,326.08/x - Step 3: Cross multiply
225,928.08x = 311,781.12 × 125,326.08 - Step 4: Simplify right side
225,928.08x = 39,074,305,587.61 - Step 5: Solve for x
x = 39,074,305,587.61/225,928.08 - Step 6: Final answer
x = 172,950.20
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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.