Finding the Fourth Proportional to 216,670.52, 324,739.58 and 121,701.07
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Solution
The fourth proportional to 216,670.52, 324,739.58 and 121,701.07 is: 182,402.08
Step by Step Solution
- Step 1: Write the proportion equation
216,670.52 : 324,739.58 = 121,701.07 : x - Step 2: Convert to fraction form
216,670.52/324,739.58 = 121,701.07/x - Step 3: Cross multiply
216,670.52x = 324,739.58 × 121,701.07 - Step 4: Simplify right side
216,670.52x = 39,521,154,357.35 - Step 5: Solve for x
x = 39,521,154,357.35/216,670.52 - Step 6: Final answer
x = 182,402.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.