Finding the Fourth Proportional to 499,787.36, 749,455.68 and 246,969.24
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Solution
The fourth proportional to 499,787.36, 749,455.68 and 246,969.24 is: 370,342.50
Step by Step Solution
- Step 1: Write the proportion equation
499,787.36 : 749,455.68 = 246,969.24 : x - Step 2: Convert to fraction form
499,787.36/749,455.68 = 246,969.24/x - Step 3: Cross multiply
499,787.36x = 749,455.68 × 246,969.24 - Step 4: Simplify right side
499,787.36x = 185,092,499,703.28 - Step 5: Solve for x
x = 185,092,499,703.28/499,787.36 - Step 6: Final answer
x = 370,342.50
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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.