Finding the Fourth Proportional to 353,101.12, 487,122.19 and 235,260.09
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Solution
The fourth proportional to 353,101.12, 487,122.19 and 235,260.09 is: 324,554.08
Step by Step Solution
- Step 1: Write the proportion equation
353,101.12 : 487,122.19 = 235,260.09 : x - Step 2: Convert to fraction form
353,101.12/487,122.19 = 235,260.09/x - Step 3: Cross multiply
353,101.12x = 487,122.19 × 235,260.09 - Step 4: Simplify right side
353,101.12x = 114,600,409,672.25 - Step 5: Solve for x
x = 114,600,409,672.25/353,101.12 - Step 6: Final answer
x = 324,554.08
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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.