Finding the Fourth Proportional to 235,483.14, 324,956.84 and 133,515.46
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Solution
The fourth proportional to 235,483.14, 324,956.84 and 133,515.46 is: 184,245.73
Step by Step Solution
- Step 1: Write the proportion equation
235,483.14 : 324,956.84 = 133,515.46 : x - Step 2: Convert to fraction form
235,483.14/324,956.84 = 133,515.46/x - Step 3: Cross multiply
235,483.14x = 324,956.84 × 133,515.46 - Step 4: Simplify right side
235,483.14x = 43,386,761,972.75 - Step 5: Solve for x
x = 43,386,761,972.75/235,483.14 - Step 6: Final answer
x = 184,245.73
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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.