Finding the Fourth Proportional to 617,467.70, 926,201.55 and 174,235.70
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Solution
The fourth proportional to 617,467.70, 926,201.55 and 174,235.70 is: 261,353.55
Step by Step Solution
- Step 1: Write the proportion equation
617,467.70 : 926,201.55 = 174,235.70 : x - Step 2: Convert to fraction form
617,467.70/926,201.55 = 174,235.70/x - Step 3: Cross multiply
617,467.70x = 926,201.55 × 174,235.70 - Step 4: Simplify right side
617,467.70x = 161,377,375,405.34 - Step 5: Solve for x
x = 161,377,375,405.34/617,467.70 - Step 6: Final answer
x = 261,353.55
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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.