Finding the Fourth Proportional to 619,224.22, 854,166.50 and 389,416.99
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Solution
The fourth proportional to 619,224.22, 854,166.50 and 389,416.99 is: 537,167.22
Step by Step Solution
- Step 1: Write the proportion equation
619,224.22 : 854,166.50 = 389,416.99 : x - Step 2: Convert to fraction form
619,224.22/854,166.50 = 389,416.99/x - Step 3: Cross multiply
619,224.22x = 854,166.50 × 389,416.99 - Step 4: Simplify right side
619,224.22x = 332,626,948,558.68 - Step 5: Solve for x
x = 332,626,948,558.68/619,224.22 - Step 6: Final answer
x = 537,167.22
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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.