Finding the Fourth Proportional to 187,590.06, 258,898.92 and 106,999.08
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Solution
The fourth proportional to 187,590.06, 258,898.92 and 106,999.08 is: 147,672.78
Step by Step Solution
- Step 1: Write the proportion equation
187,590.06 : 258,898.92 = 106,999.08 : x - Step 2: Convert to fraction form
187,590.06/258,898.92 = 106,999.08/x - Step 3: Cross multiply
187,590.06x = 258,898.92 × 106,999.08 - Step 4: Simplify right side
187,590.06x = 27,701,946,252.99 - Step 5: Solve for x
x = 27,701,946,252.99/187,590.06 - Step 6: Final answer
x = 147,672.78
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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.