Finding the Fourth Proportional to 492,442.70, 738,117.30 and 192,823.70
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Solution
The fourth proportional to 492,442.70, 738,117.30 and 192,823.70 is: 289,021.46
Step by Step Solution
- Step 1: Write the proportion equation
492,442.70 : 738,117.30 = 192,823.70 : x - Step 2: Convert to fraction form
492,442.70/738,117.30 = 192,823.70/x - Step 3: Cross multiply
492,442.70x = 738,117.30 × 192,823.70 - Step 4: Simplify right side
492,442.70x = 142,326,508,820.01 - Step 5: Solve for x
x = 142,326,508,820.01/492,442.70 - Step 6: Final answer
x = 289,021.46
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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.