Finding the Fourth Proportional to 186,563.90, 257,465.07 and 106,005.08
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Solution
The fourth proportional to 186,563.90, 257,465.07 and 106,005.08 is: 146,290.93
Step by Step Solution
- Step 1: Write the proportion equation
186,563.90 : 257,465.07 = 106,005.08 : x - Step 2: Convert to fraction form
186,563.90/257,465.07 = 106,005.08/x - Step 3: Cross multiply
186,563.90x = 257,465.07 × 106,005.08 - Step 4: Simplify right side
186,563.90x = 27,292,605,986.22 - Step 5: Solve for x
x = 27,292,605,986.22/186,563.90 - Step 6: Final answer
x = 146,290.93
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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.