Finding the Fourth Proportional to 186,720.84, 257,673.58 and 106,148.36
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Solution
The fourth proportional to 186,720.84, 257,673.58 and 106,148.36 is: 146,484.07
Step by Step Solution
- Step 1: Write the proportion equation
186,720.84 : 257,673.58 = 106,148.36 : x - Step 2: Convert to fraction form
186,720.84/257,673.58 = 106,148.36/x - Step 3: Cross multiply
186,720.84x = 257,673.58 × 106,148.36 - Step 4: Simplify right side
186,720.84x = 27,351,628,311.14 - Step 5: Solve for x
x = 27,351,628,311.14/186,720.84 - Step 6: Final answer
x = 146,484.07
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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.