Finding the Fourth Proportional to 555,207.96, 832,687.38 and 255,400.68
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Solution
The fourth proportional to 555,207.96, 832,687.38 and 255,400.68 is: 383,043.72
Step by Step Solution
- Step 1: Write the proportion equation
555,207.96 : 832,687.38 = 255,400.68 : x - Step 2: Convert to fraction form
555,207.96/832,687.38 = 255,400.68/x - Step 3: Cross multiply
555,207.96x = 832,687.38 × 255,400.68 - Step 4: Simplify right side
555,207.96x = 212,668,923,079.42 - Step 5: Solve for x
x = 212,668,923,079.42/555,207.96 - Step 6: Final answer
x = 383,043.72
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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.