Finding the Fourth Proportional to 188,405.52, 282,358.12 and 138,250.88
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Solution
The fourth proportional to 188,405.52, 282,358.12 and 138,250.88 is: 207,192.75
Step by Step Solution
- Step 1: Write the proportion equation
188,405.52 : 282,358.12 = 138,250.88 : x - Step 2: Convert to fraction form
188,405.52/282,358.12 = 138,250.88/x - Step 3: Cross multiply
188,405.52x = 282,358.12 × 138,250.88 - Step 4: Simplify right side
188,405.52x = 39,036,258,565.15 - Step 5: Solve for x
x = 39,036,258,565.15/188,405.52 - Step 6: Final answer
x = 207,192.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.