Finding the Fourth Proportional to 217,745,285.10, 326,617,927.65 and 192,236,117.10
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Solution
The fourth proportional to 217,745,285.10, 326,617,927.65 and 192,236,117.10 is: 288,354,175.65
Step by Step Solution
- Step 1: Write the proportion equation
217,745,285.10 : 326,617,927.65 = 192,236,117.10 : x - Step 2: Convert to fraction form
217,745,285.10/326,617,927.65 = 192,236,117.10/x - Step 3: Cross multiply
217,745,285.10x = 326,617,927.65 × 192,236,117.10 - Step 4: Simplify right side
217,745,285.10x = 62,787,762,186,684,720 - Step 5: Solve for x
x = 62,787,762,186,684,720/217,745,285.10 - Step 6: Final answer
x = 288,354,175.65
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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.