Finding the Fourth Proportional to 186,595.41, 257,491.95 and 106,011.75
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Solution
The fourth proportional to 186,595.41, 257,491.95 and 106,011.75 is: 146,290.70
Step by Step Solution
- Step 1: Write the proportion equation
186,595.41 : 257,491.95 = 106,011.75 : x - Step 2: Convert to fraction form
186,595.41/257,491.95 = 106,011.75/x - Step 3: Cross multiply
186,595.41x = 257,491.95 × 106,011.75 - Step 4: Simplify right side
186,595.41x = 27,297,172,230.41 - Step 5: Solve for x
x = 27,297,172,230.41/186,595.41 - Step 6: Final answer
x = 146,290.70
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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.