Finding the Fourth Proportional to 663,193.81, 995,000.88 and 236,720.19
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Solution
The fourth proportional to 663,193.81, 995,000.88 and 236,720.19 is: 355,155.30
Step by Step Solution
- Step 1: Write the proportion equation
663,193.81 : 995,000.88 = 236,720.19 : x - Step 2: Convert to fraction form
663,193.81/995,000.88 = 236,720.19/x - Step 3: Cross multiply
663,193.81x = 995,000.88 × 236,720.19 - Step 4: Simplify right side
663,193.81x = 235,536,797,363.77 - Step 5: Solve for x
x = 235,536,797,363.77/663,193.81 - Step 6: Final answer
x = 355,155.30
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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.