Finding the Fourth Proportional to 186,810.24, 257,805.48 and 106,245.12
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Solution
The fourth proportional to 186,810.24, 257,805.48 and 106,245.12 is: 146,622.45
Step by Step Solution
- Step 1: Write the proportion equation
186,810.24 : 257,805.48 = 106,245.12 : x - Step 2: Convert to fraction form
186,810.24/257,805.48 = 106,245.12/x - Step 3: Cross multiply
186,810.24x = 257,805.48 × 106,245.12 - Step 4: Simplify right side
186,810.24x = 27,390,574,159.26 - Step 5: Solve for x
x = 27,390,574,159.26/186,810.24 - Step 6: Final answer
x = 146,622.45
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1.5x scale
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.