Finding the Fourth Proportional to 235,125.88, 324,493.76 and 133,169.20
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Solution
The fourth proportional to 235,125.88, 324,493.76 and 133,169.20 is: 183,784.85
Step by Step Solution
- Step 1: Write the proportion equation
235,125.88 : 324,493.76 = 133,169.20 : x - Step 2: Convert to fraction form
235,125.88/324,493.76 = 133,169.20/x - Step 3: Cross multiply
235,125.88x = 324,493.76 × 133,169.20 - Step 4: Simplify right side
235,125.88x = 43,212,574,424.19 - Step 5: Solve for x
x = 43,212,574,424.19/235,125.88 - Step 6: Final answer
x = 183,784.85
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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.