Finding the Fourth Proportional to 186,599.53, 257,507.79 and 106,053.80
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Solution
The fourth proportional to 186,599.53, 257,507.79 and 106,053.80 is: 146,354.50
Step by Step Solution
- Step 1: Write the proportion equation
186,599.53 : 257,507.79 = 106,053.80 : x - Step 2: Convert to fraction form
186,599.53/257,507.79 = 106,053.80/x - Step 3: Cross multiply
186,599.53x = 257,507.79 × 106,053.80 - Step 4: Simplify right side
186,599.53x = 27,309,679,659.10 - Step 5: Solve for x
x = 27,309,679,659.10/186,599.53 - Step 6: Final answer
x = 146,354.50
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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.