Finding the Fourth Proportional to 216,277.08, 298,459.20 and 120,785.08
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Solution
The fourth proportional to 216,277.08, 298,459.20 and 120,785.08 is: 166,681.64
Step by Step Solution
- Step 1: Write the proportion equation
216,277.08 : 298,459.20 = 120,785.08 : x - Step 2: Convert to fraction form
216,277.08/298,459.20 = 120,785.08/x - Step 3: Cross multiply
216,277.08x = 298,459.20 × 120,785.08 - Step 4: Simplify right side
216,277.08x = 36,049,418,348.74 - Step 5: Solve for x
x = 36,049,418,348.74/216,277.08 - Step 6: Final answer
x = 166,681.64
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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.