Finding the Fourth Proportional to 186,564.91, 257,466.46 and 106,006.08
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Solution
The fourth proportional to 186,564.91, 257,466.46 and 106,006.08 is: 146,292.30
Step by Step Solution
- Step 1: Write the proportion equation
186,564.91 : 257,466.46 = 106,006.08 : x - Step 2: Convert to fraction form
186,564.91/257,466.46 = 106,006.08/x - Step 3: Cross multiply
186,564.91x = 257,466.46 × 106,006.08 - Step 4: Simplify right side
186,564.91x = 27,293,010,156.08 - Step 5: Solve for x
x = 27,293,010,156.08/186,564.91 - Step 6: Final answer
x = 146,292.30
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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.