Finding the Fourth Proportional to 146,820.10, 220,230.15 and 122,325.70
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Solution
The fourth proportional to 146,820.10, 220,230.15 and 122,325.70 is: 183,488.55
Step by Step Solution
- Step 1: Write the proportion equation
146,820.10 : 220,230.15 = 122,325.70 : x - Step 2: Convert to fraction form
146,820.10/220,230.15 = 122,325.70/x - Step 3: Cross multiply
146,820.10x = 220,230.15 × 122,325.70 - Step 4: Simplify right side
146,820.10x = 26,939,807,259.86 - Step 5: Solve for x
x = 26,939,807,259.86/146,820.10 - Step 6: Final answer
x = 183,488.55
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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.