Finding the Fourth Proportional to 186,729.84, 257,686.00 and 106,157.39
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Solution
The fourth proportional to 186,729.84, 257,686.00 and 106,157.39 is: 146,496.52
Step by Step Solution
- Step 1: Write the proportion equation
186,729.84 : 257,686.00 = 106,157.39 : x - Step 2: Convert to fraction form
186,729.84/257,686.00 = 106,157.39/x - Step 3: Cross multiply
186,729.84x = 257,686.00 × 106,157.39 - Step 4: Simplify right side
186,729.84x = 27,355,271,645.72 - Step 5: Solve for x
x = 27,355,271,645.72/186,729.84 - Step 6: Final answer
x = 146,496.52
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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.