Finding the Fourth Proportional to 455,543.69, 683,317.97 and 298,764.95
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Solution
The fourth proportional to 455,543.69, 683,317.97 and 298,764.95 is: 448,149.02
Step by Step Solution
- Step 1: Write the proportion equation
455,543.69 : 683,317.97 = 298,764.95 : x - Step 2: Convert to fraction form
455,543.69/683,317.97 = 298,764.95/x - Step 3: Cross multiply
455,543.69x = 683,317.97 × 298,764.95 - Step 4: Simplify right side
455,543.69x = 204,151,457,647.33 - Step 5: Solve for x
x = 204,151,457,647.33/455,543.69 - Step 6: Final answer
x = 448,149.02
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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.