Finding the Fourth Proportional to 186,639.34, 257,551.19 and 106,055.68
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Solution
The fourth proportional to 186,639.34, 257,551.19 and 106,055.68 is: 146,350.53
Step by Step Solution
- Step 1: Write the proportion equation
186,639.34 : 257,551.19 = 106,055.68 : x - Step 2: Convert to fraction form
186,639.34/257,551.19 = 106,055.68/x - Step 3: Cross multiply
186,639.34x = 257,551.19 × 106,055.68 - Step 4: Simplify right side
186,639.34x = 27,314,766,059.98 - Step 5: Solve for x
x = 27,314,766,059.98/186,639.34 - Step 6: Final answer
x = 146,350.53
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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.