Finding the Fourth Proportional to 186,590.76, 279,686.55 and 106,456.05
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Solution
The fourth proportional to 186,590.76, 279,686.55 and 106,456.05 is: 159,570.20
Step by Step Solution
- Step 1: Write the proportion equation
186,590.76 : 279,686.55 = 106,456.05 : x - Step 2: Convert to fraction form
186,590.76/279,686.55 = 106,456.05/x - Step 3: Cross multiply
186,590.76x = 279,686.55 × 106,456.05 - Step 4: Simplify right side
186,590.76x = 29,774,325,351.13 - Step 5: Solve for x
x = 29,774,325,351.13/186,590.76 - Step 6: Final answer
x = 159,570.20
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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.