Finding the Fourth Proportional to 279,758.17, 419,640.14 and 223,953.09
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Solution
The fourth proportional to 279,758.17, 419,640.14 and 223,953.09 is: 335,931.94
Step by Step Solution
- Step 1: Write the proportion equation
279,758.17 : 419,640.14 = 223,953.09 : x - Step 2: Convert to fraction form
279,758.17/419,640.14 = 223,953.09/x - Step 3: Cross multiply
279,758.17x = 419,640.14 × 223,953.09 - Step 4: Simplify right side
279,758.17x = 93,979,705,027.26 - Step 5: Solve for x
x = 93,979,705,027.26/279,758.17 - Step 6: Final answer
x = 335,931.94
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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.