Finding the Fourth Proportional to 186,778.04, 257,752.49 and 106,205.56
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Solution
The fourth proportional to 186,778.04, 257,752.49 and 106,205.56 is: 146,562.99
Step by Step Solution
- Step 1: Write the proportion equation
186,778.04 : 257,752.49 = 106,205.56 : x - Step 2: Convert to fraction form
186,778.04/257,752.49 = 106,205.56/x - Step 3: Cross multiply
186,778.04x = 257,752.49 × 106,205.56 - Step 4: Simplify right side
186,778.04x = 27,374,746,366.44 - Step 5: Solve for x
x = 27,374,746,366.44/186,778.04 - Step 6: Final answer
x = 146,562.99
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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.