Finding the Fourth Proportional to 569,238.30, 853,310.70 and 329,105.70
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Solution
The fourth proportional to 569,238.30, 853,310.70 and 329,105.70 is: 493,342.45
Step by Step Solution
- Step 1: Write the proportion equation
569,238.30 : 853,310.70 = 329,105.70 : x - Step 2: Convert to fraction form
569,238.30/853,310.70 = 329,105.70/x - Step 3: Cross multiply
569,238.30x = 853,310.70 × 329,105.70 - Step 4: Simplify right side
569,238.30x = 280,829,415,240.99 - Step 5: Solve for x
x = 280,829,415,240.99/569,238.30 - Step 6: Final answer
x = 493,342.45
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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.