Finding the Fourth Proportional to 216,246.74, 298,416.93 and 120,754.58
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Solution
The fourth proportional to 216,246.74, 298,416.93 and 120,754.58 is: 166,639.33
Step by Step Solution
- Step 1: Write the proportion equation
216,246.74 : 298,416.93 = 120,754.58 : x - Step 2: Convert to fraction form
216,246.74/298,416.93 = 120,754.58/x - Step 3: Cross multiply
216,246.74x = 298,416.93 × 120,754.58 - Step 4: Simplify right side
216,246.74x = 36,035,211,047.04 - Step 5: Solve for x
x = 36,035,211,047.04/216,246.74 - Step 6: Final answer
x = 166,639.33
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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.