Finding the Fourth Proportional to 206,980.50, 310,590.36 and 87,027.88
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Solution
The fourth proportional to 206,980.50, 310,590.36 and 87,027.88 is: 130,592.11
Step by Step Solution
- Step 1: Write the proportion equation
206,980.50 : 310,590.36 = 87,027.88 : x - Step 2: Convert to fraction form
206,980.50/310,590.36 = 87,027.88/x - Step 3: Cross multiply
206,980.50x = 310,590.36 × 87,027.88 - Step 4: Simplify right side
206,980.50x = 27,030,020,579.24 - Step 5: Solve for x
x = 27,030,020,579.24/206,980.50 - Step 6: Final answer
x = 130,592.11
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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.