Finding the Fourth Proportional to 402,655.84, 603,983.88 and 118,346.44
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Solution
The fourth proportional to 402,655.84, 603,983.88 and 118,346.44 is: 177,519.70
Step by Step Solution
- Step 1: Write the proportion equation
402,655.84 : 603,983.88 = 118,346.44 : x - Step 2: Convert to fraction form
402,655.84/603,983.88 = 118,346.44/x - Step 3: Cross multiply
402,655.84x = 603,983.88 × 118,346.44 - Step 4: Simplify right side
402,655.84x = 71,479,342,015.39 - Step 5: Solve for x
x = 71,479,342,015.39/402,655.84 - Step 6: Final answer
x = 177,519.70
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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.