Finding the Fourth Proportional to 402,659.84, 603,989.88 and 118,350.44
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Solution
The fourth proportional to 402,659.84, 603,989.88 and 118,350.44 is: 177,525.70
Step by Step Solution
- Step 1: Write the proportion equation
402,659.84 : 603,989.88 = 118,350.44 : x - Step 2: Convert to fraction form
402,659.84/603,989.88 = 118,350.44/x - Step 3: Cross multiply
402,659.84x = 603,989.88 × 118,350.44 - Step 4: Simplify right side
402,659.84x = 71,482,468,053.55 - Step 5: Solve for x
x = 71,482,468,053.55/402,659.84 - Step 6: Final answer
x = 177,525.70
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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.