Finding the Fourth Proportional to 216,445.24, 298,693.94 and 120,951.94
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Solution
The fourth proportional to 216,445.24, 298,693.94 and 120,951.94 is: 166,913.40
Step by Step Solution
- Step 1: Write the proportion equation
216,445.24 : 298,693.94 = 120,951.94 : x - Step 2: Convert to fraction form
216,445.24/298,693.94 = 120,951.94/x - Step 3: Cross multiply
216,445.24x = 298,693.94 × 120,951.94 - Step 4: Simplify right side
216,445.24x = 36,127,611,509.24 - Step 5: Solve for x
x = 36,127,611,509.24/216,445.24 - Step 6: Final answer
x = 166,913.40
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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.