Finding the Fourth Proportional to 572,207.74, 858,311.61 and 305,159.20
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Solution
The fourth proportional to 572,207.74, 858,311.61 and 305,159.20 is: 457,738.80
Step by Step Solution
- Step 1: Write the proportion equation
572,207.74 : 858,311.61 = 305,159.20 : x - Step 2: Convert to fraction form
572,207.74/858,311.61 = 305,159.20/x - Step 3: Cross multiply
572,207.74x = 858,311.61 × 305,159.20 - Step 4: Simplify right side
572,207.74x = 261,921,684,258.31 - Step 5: Solve for x
x = 261,921,684,258.31/572,207.74 - Step 6: Final answer
x = 457,738.80
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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.