Finding the Fourth Proportional to 455,941.17, 683,542.80 and 189,901.53
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Solution
The fourth proportional to 455,941.17, 683,542.80 and 189,901.53 is: 284,698.62
Step by Step Solution
- Step 1: Write the proportion equation
455,941.17 : 683,542.80 = 189,901.53 : x - Step 2: Convert to fraction form
455,941.17/683,542.80 = 189,901.53/x - Step 3: Cross multiply
455,941.17x = 683,542.80 × 189,901.53 - Step 4: Simplify right side
455,941.17x = 129,805,823,540.48 - Step 5: Solve for x
x = 129,805,823,540.48/455,941.17 - Step 6: Final answer
x = 284,698.62
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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.