Finding the Fourth Proportional to 235,290.62, 324,744.80 and 134,688.62
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Solution
The fourth proportional to 235,290.62, 324,744.80 and 134,688.62 is: 185,895.34
Step by Step Solution
- Step 1: Write the proportion equation
235,290.62 : 324,744.80 = 134,688.62 : x - Step 2: Convert to fraction form
235,290.62/324,744.80 = 134,688.62/x - Step 3: Cross multiply
235,290.62x = 324,744.80 × 134,688.62 - Step 4: Simplify right side
235,290.62x = 43,739,428,964.18 - Step 5: Solve for x
x = 43,739,428,964.18/235,290.62 - Step 6: Final answer
x = 185,895.34
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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.