Finding the Fourth Proportional to 455,410.20, 683,117.65 and 189,170.99
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Solution
The fourth proportional to 455,410.20, 683,117.65 and 189,170.99 is: 283,757.47
Step by Step Solution
- Step 1: Write the proportion equation
455,410.20 : 683,117.65 = 189,170.99 : x - Step 2: Convert to fraction form
455,410.20/683,117.65 = 189,170.99/x - Step 3: Cross multiply
455,410.20x = 683,117.65 × 189,170.99 - Step 4: Simplify right side
455,410.20x = 129,226,045,362.08 - Step 5: Solve for x
x = 129,226,045,362.08/455,410.20 - Step 6: Final answer
x = 283,757.47
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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.