Finding the Fourth Proportional to 402,195.80, 603,293.70 and 297,219.80
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Solution
The fourth proportional to 402,195.80, 603,293.70 and 297,219.80 is: 445,829.70
Step by Step Solution
- Step 1: Write the proportion equation
402,195.80 : 603,293.70 = 297,219.80 : x - Step 2: Convert to fraction form
402,195.80/603,293.70 = 297,219.80/x - Step 3: Cross multiply
402,195.80x = 603,293.70 × 297,219.80 - Step 4: Simplify right side
402,195.80x = 179,310,832,855.26 - Step 5: Solve for x
x = 179,310,832,855.26/402,195.80 - Step 6: Final answer
x = 445,829.70
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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.