Finding the Fourth Proportional to 186,639.24, 257,551.06 and 106,055.58
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Solution
The fourth proportional to 186,639.24, 257,551.06 and 106,055.58 is: 146,350.40
Step by Step Solution
- Step 1: Write the proportion equation
186,639.24 : 257,551.06 = 106,055.58 : x - Step 2: Convert to fraction form
186,639.24/257,551.06 = 106,055.58/x - Step 3: Cross multiply
186,639.24x = 257,551.06 × 106,055.58 - Step 4: Simplify right side
186,639.24x = 27,314,727,947.45 - Step 5: Solve for x
x = 27,314,727,947.45/186,639.24 - Step 6: Final answer
x = 146,350.40
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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.