Finding the Fourth Proportional to 266,621.14, 399,932.12 and 106,769.06
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Solution
The fourth proportional to 266,621.14, 399,932.12 and 106,769.06 is: 160,153.75
Step by Step Solution
- Step 1: Write the proportion equation
266,621.14 : 399,932.12 = 106,769.06 : x - Step 2: Convert to fraction form
266,621.14/399,932.12 = 106,769.06/x - Step 3: Cross multiply
266,621.14x = 399,932.12 × 106,769.06 - Step 4: Simplify right side
266,621.14x = 42,700,376,516.21 - Step 5: Solve for x
x = 42,700,376,516.21/266,621.14 - Step 6: Final answer
x = 160,153.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.