Finding the Fourth Proportional to 235,483.21, 324,975.39 and 134,900.65
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Solution
The fourth proportional to 235,483.21, 324,975.39 and 134,900.65 is: 186,167.80
Step by Step Solution
- Step 1: Write the proportion equation
235,483.21 : 324,975.39 = 134,900.65 : x - Step 2: Convert to fraction form
235,483.21/324,975.39 = 134,900.65/x - Step 3: Cross multiply
235,483.21x = 324,975.39 × 134,900.65 - Step 4: Simplify right side
235,483.21x = 43,839,390,670.50 - Step 5: Solve for x
x = 43,839,390,670.50/235,483.21 - Step 6: Final answer
x = 186,167.80
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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.