Finding the Fourth Proportional to 455,564.10, 683,329.95 and 206,246.10
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Solution
The fourth proportional to 455,564.10, 683,329.95 and 206,246.10 is: 309,361.82
Step by Step Solution
- Step 1: Write the proportion equation
455,564.10 : 683,329.95 = 206,246.10 : x - Step 2: Convert to fraction form
455,564.10/683,329.95 = 206,246.10/x - Step 3: Cross multiply
455,564.10x = 683,329.95 × 206,246.10 - Step 4: Simplify right side
455,564.10x = 140,934,137,200.70 - Step 5: Solve for x
x = 140,934,137,200.70/455,564.10 - Step 6: Final answer
x = 309,361.82
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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.