Finding the Fourth Proportional to 216,276.06, 298,457.82 and 120,784.08
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Solution
The fourth proportional to 216,276.06, 298,457.82 and 120,784.08 is: 166,680.28
Step by Step Solution
- Step 1: Write the proportion equation
216,276.06 : 298,457.82 = 120,784.08 : x - Step 2: Convert to fraction form
216,276.06/298,457.82 = 120,784.08/x - Step 3: Cross multiply
216,276.06x = 298,457.82 × 120,784.08 - Step 4: Simplify right side
216,276.06x = 36,048,953,207.51 - Step 5: Solve for x
x = 36,048,953,207.51/216,276.06 - Step 6: Final answer
x = 166,680.28
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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.