Finding the Fourth Proportional to 402,651.84, 603,977.88 and 118,342.44
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Solution
The fourth proportional to 402,651.84, 603,977.88 and 118,342.44 is: 177,513.70
Step by Step Solution
- Step 1: Write the proportion equation
402,651.84 : 603,977.88 = 118,342.44 : x - Step 2: Convert to fraction form
402,651.84/603,977.88 = 118,342.44/x - Step 3: Cross multiply
402,651.84x = 603,977.88 × 118,342.44 - Step 4: Simplify right side
402,651.84x = 71,476,216,025.23 - Step 5: Solve for x
x = 71,476,216,025.23/402,651.84 - Step 6: Final answer
x = 177,513.70
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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.