Finding the Fourth Proportional to 216,756.92, 299,079.74 and 148,749.08
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Solution
The fourth proportional to 216,756.92, 299,079.74 and 148,749.08 is: 205,242.98
Step by Step Solution
- Step 1: Write the proportion equation
216,756.92 : 299,079.74 = 148,749.08 : x - Step 2: Convert to fraction form
216,756.92/299,079.74 = 148,749.08/x - Step 3: Cross multiply
216,756.92x = 299,079.74 × 148,749.08 - Step 4: Simplify right side
216,756.92x = 44,487,836,171.64 - Step 5: Solve for x
x = 44,487,836,171.64/216,756.92 - Step 6: Final answer
x = 205,242.98
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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.