Finding the Fourth Proportional to 320,190.18, 480,285.26 and 120,555.35
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Solution
The fourth proportional to 320,190.18, 480,285.26 and 120,555.35 is: 180,833.02
Step by Step Solution
- Step 1: Write the proportion equation
320,190.18 : 480,285.26 = 120,555.35 : x - Step 2: Convert to fraction form
320,190.18/480,285.26 = 120,555.35/x - Step 3: Cross multiply
320,190.18x = 480,285.26 × 120,555.35 - Step 4: Simplify right side
320,190.18x = 57,900,957,619.14 - Step 5: Solve for x
x = 57,900,957,619.14/320,190.18 - Step 6: Final answer
x = 180,833.02
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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.