Finding the Fourth Proportional to 236,349.08, 326,165.56 and 128,919.08
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Solution
The fourth proportional to 236,349.08, 326,165.56 and 128,919.08 is: 177,910.42
Step by Step Solution
- Step 1: Write the proportion equation
236,349.08 : 326,165.56 = 128,919.08 : x - Step 2: Convert to fraction form
236,349.08/326,165.56 = 128,919.08/x - Step 3: Cross multiply
236,349.08x = 326,165.56 × 128,919.08 - Step 4: Simplify right side
236,349.08x = 42,048,963,922.88 - Step 5: Solve for x
x = 42,048,963,922.88/236,349.08 - Step 6: Final answer
x = 177,910.42
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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.