Finding the Fourth Proportional to 449,980.08, 674,970.13 and 180,230.70
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Solution
The fourth proportional to 449,980.08, 674,970.13 and 180,230.70 is: 270,346.06
Step by Step Solution
- Step 1: Write the proportion equation
449,980.08 : 674,970.13 = 180,230.70 : x - Step 2: Convert to fraction form
449,980.08/674,970.13 = 180,230.70/x - Step 3: Cross multiply
449,980.08x = 674,970.13 × 180,230.70 - Step 4: Simplify right side
449,980.08x = 121,650,341,765.42 - Step 5: Solve for x
x = 121,650,341,765.42/449,980.08 - Step 6: Final answer
x = 270,346.06
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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.