Finding the Fourth Proportional to 559,181.80, 838,772.70 and 279,245.80
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Solution
The fourth proportional to 559,181.80, 838,772.70 and 279,245.80 is: 418,868.70
Step by Step Solution
- Step 1: Write the proportion equation
559,181.80 : 838,772.70 = 279,245.80 : x - Step 2: Convert to fraction form
559,181.80/838,772.70 = 279,245.80/x - Step 3: Cross multiply
559,181.80x = 838,772.70 × 279,245.80 - Step 4: Simplify right side
559,181.80x = 234,223,753,629.66 - Step 5: Solve for x
x = 234,223,753,629.66/559,181.80 - Step 6: Final answer
x = 418,868.70
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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.