Finding the Fourth Proportional to 132,442.65, 198,752.32 and 48,202.79
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Solution
The fourth proportional to 132,442.65, 198,752.32 and 48,202.79 is: 72,336.34
Step by Step Solution
- Step 1: Write the proportion equation
132,442.65 : 198,752.32 = 48,202.79 : x - Step 2: Convert to fraction form
132,442.65/198,752.32 = 48,202.79/x - Step 3: Cross multiply
132,442.65x = 198,752.32 × 48,202.79 - Step 4: Simplify right side
132,442.65x = 9,580,416,256.31 - Step 5: Solve for x
x = 9,580,416,256.31/132,442.65 - Step 6: Final answer
x = 72,336.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.