Finding the Fourth Proportional to 455,106.60, 683,048.70 and 202,775.40
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Solution
The fourth proportional to 455,106.60, 683,048.70 and 202,775.40 is: 304,336.33
Step by Step Solution
- Step 1: Write the proportion equation
455,106.60 : 683,048.70 = 202,775.40 : x - Step 2: Convert to fraction form
455,106.60/683,048.70 = 202,775.40/x - Step 3: Cross multiply
455,106.60x = 683,048.70 × 202,775.40 - Step 4: Simplify right side
455,106.60x = 138,505,473,361.98 - Step 5: Solve for x
x = 138,505,473,361.98/455,106.60 - Step 6: Final answer
x = 304,336.33
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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.