Finding the Fourth Proportional to 434,337.58, 598,637.14 and 288,883.05
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Solution
The fourth proportional to 434,337.58, 598,637.14 and 288,883.05 is: 398,160.63
Step by Step Solution
- Step 1: Write the proportion equation
434,337.58 : 598,637.14 = 288,883.05 : x - Step 2: Convert to fraction form
434,337.58/598,637.14 = 288,883.05/x - Step 3: Cross multiply
434,337.58x = 598,637.14 × 288,883.05 - Step 4: Simplify right side
434,337.58x = 172,936,122,846.48 - Step 5: Solve for x
x = 172,936,122,846.48/434,337.58 - Step 6: Final answer
x = 398,160.63
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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.