Finding the Fourth Proportional to 216,445.24, 298,693.95 and 120,951.95
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Solution
The fourth proportional to 216,445.24, 298,693.95 and 120,951.95 is: 166,913.42
Step by Step Solution
- Step 1: Write the proportion equation
216,445.24 : 298,693.95 = 120,951.95 : x - Step 2: Convert to fraction form
216,445.24/298,693.95 = 120,951.95/x - Step 3: Cross multiply
216,445.24x = 298,693.95 × 120,951.95 - Step 4: Simplify right side
216,445.24x = 36,127,614,212.23 - Step 5: Solve for x
x = 36,127,614,212.23/216,445.24 - Step 6: Final answer
x = 166,913.42
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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.