Finding the Fourth Proportional to 603,011.70, 904,517.55 and 247,907.70
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Solution
The fourth proportional to 603,011.70, 904,517.55 and 247,907.70 is: 371,861.55
Step by Step Solution
- Step 1: Write the proportion equation
603,011.70 : 904,517.55 = 247,907.70 : x - Step 2: Convert to fraction form
603,011.70/904,517.55 = 247,907.70/x - Step 3: Cross multiply
603,011.70x = 904,517.55 × 247,907.70 - Step 4: Simplify right side
603,011.70x = 224,236,865,430.14 - Step 5: Solve for x
x = 224,236,865,430.14/603,011.70 - Step 6: Final answer
x = 371,861.55
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Similar ratio
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1.5x scale
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.