Finding the Fourth Proportional to 513,228.29, 769,885.49 and 189,104.63
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Solution
The fourth proportional to 513,228.29, 769,885.49 and 189,104.63 is: 283,672.81
Step by Step Solution
- Step 1: Write the proportion equation
513,228.29 : 769,885.49 = 189,104.63 : x - Step 2: Convert to fraction form
513,228.29/769,885.49 = 189,104.63/x - Step 3: Cross multiply
513,228.29x = 769,885.49 × 189,104.63 - Step 4: Simplify right side
513,228.29x = 145,588,907,352.15 - Step 5: Solve for x
x = 145,588,907,352.15/513,228.29 - Step 6: Final answer
x = 283,672.81
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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.