Finding the Fourth Proportional to 268,224.12, 370,155.48 and 147,372.96
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Solution
The fourth proportional to 268,224.12, 370,155.48 and 147,372.96 is: 203,378.09
Step by Step Solution
- Step 1: Write the proportion equation
268,224.12 : 370,155.48 = 147,372.96 : x - Step 2: Convert to fraction form
268,224.12/370,155.48 = 147,372.96/x - Step 3: Cross multiply
268,224.12x = 370,155.48 × 147,372.96 - Step 4: Simplify right side
268,224.12x = 54,550,908,747.82 - Step 5: Solve for x
x = 54,550,908,747.82/268,224.12 - Step 6: Final answer
x = 203,378.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.